{"title":"21700 BATTERY","description":null,"products":[{"product_id":"samsung-inr21700-50s-5000mah-25a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"Samsung INR21700-50S 5000mAh 25A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR21700-50S ultra-high capacity, high-drain lithium-ion cells for your power tools, electric mobility, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSamsung INR21700-50S 5000mAh 25A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an industry-leading high-capacity, high-drain 21700 cylindrical power cell. Manufactured by Samsung SDI and supplied by DXF POWER with strict quality grading, this flat-top unprotected cell delivers a massive 5000mAh typical capacity (4800mAh minimum) on a 3.6V–3.7V nominal platform with a proven 25A constant continuous discharge rating (up to 45A continuous when monitored with an 80°C thermal cut-off). Combining extraordinary runtime with serious high-current discharge capability, it is the premier choice for high-power cordless tools, electric bicycles, e-scooters, high-lumen flashlights, robotics, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 50S Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell widely recognized for delivering an unmatched combination of 5000mAh capacity and high-drain power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25A Constant Discharge Rating:\u003c\/strong\u003e Delivers true 25A constant continuous current without temperature monitoring (and up to 45A continuous with 80°C thermal monitoring)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000mAh Ultra-High Capacity:\u003c\/strong\u003e 5000mAh typical (4800mAh minimum) for maximum runtime and energy density in high-performance portable applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast CC-CV Charging:\u003c\/strong\u003e Supports up to 2.5A standard charging and up to 6A (6000mA) maximum fast charging current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Standard dimensions (21.15 ± 0.1mm diameter × 70.52 ± 0.15mm height) with flat top terminal, ideal for spot-welded packs and modular battery sleds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages to suit single replacements or bulk pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, low internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e INR21700-50S (50S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType Capacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Capacity:\u003c\/strong\u003e 4800mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V – 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Charging Voltage:\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Discharge Voltage:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Current Output Constant (Continuous):\u003c\/strong\u003e 25A (up to 45A temperature-monitored up to 80°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Current:\u003c\/strong\u003e 0.xx – 2.5A (2500mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charging Current:\u003c\/strong\u003e 6A (6000mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e CC-CV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e No (Unprotected industrial cell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 21.15 mm ± 0.1 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 70.52 mm ± 0.15 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 72 g ± 1 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Cordless power tools, electric bicycles, e-scooters, electric skateboards, high-output flashlights, robotics, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung INR21700-50S 5000mAh 25A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, tool testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Tool Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding heavy-duty cordless power tool battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Output Modules:\u003c\/strong\u003e Ideal for 36V or 48V auxiliary modules, robotics, and DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – Mobility \u0026amp; Energy Modules:\u003c\/strong\u003e Tailored for high-performance electric bike packs, e-scooters, and portable power stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.2V per cell or discharge below 2.5V per cell.\u003c\/li\u003e\n\u003cli\u003eDo not exceed cell surface temperature of 80°C during heavy continuous discharge.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; always store in an insulated battery case.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 50S cells with true 5000mAh capacity and 25A high-drain output\u003c\/li\u003e\n\u003cli\u003eTested continuous discharge performance under demanding operational loads\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for contractors, e-mobility builders, DIY pack fabricators, and torch enthusiasts demanding industry-leading 5000mAh capacity and 25A continuous output for high-drain cordless tools, electric transport, robotics, and custom energy modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Samsung INR21700-50S - 5000mAh  BATTERY","offer_id":46145662648483,"sku":"INR21700-50S-5000mAh-1PCS","price":23.64,"currency_code":"USD","in_stock":true},{"title":"10PCS New Samsung INR21700-50S - 5000mAh  BATTERY","offer_id":46145662681251,"sku":"INR21700-50S-5000mAh-10PCS","price":76.47,"currency_code":"USD","in_stock":true},{"title":"20PCS New Samsung INR21700-50S - 5000mAh  BATTERY","offer_id":46145662714019,"sku":"INR21700-50S-5000mAh-20PCS","price":135.18,"currency_code":"USD","in_stock":true},{"title":"50PCS New Samsung INR21700-50S - 5000mAh  BATTERY","offer_id":46145662746787,"sku":"INR21700-50S-5000mAh-50PCS","price":311.3,"currency_code":"USD","in_stock":true},{"title":"100PCS New Samsung INR21700-50S - 5000mAh  BATTERY","offer_id":46145662779555,"sku":"INR21700-50S-5000mAh-100PCS","price":604.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_ebd7247b-238f-407c-8b92-c41321fc1f9a.jpg?v=1790604201"},{"product_id":"samsung-inr21700-58e-5500mah-11a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs","title":"Samsung INR21700-58E 5500mAh 11A Li-ion Battery for E-Bikes, Flashlights \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR21700-58E ultra-high capacity 5500mAh 3.64V lithium-ion cells for your electric mobility, high-lumen flashlights, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSamsung INR21700-58E 5500mAh 11A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e represents the cutting edge of energy density in the 21700 form factor. Manufactured by Samsung SDI and supplied by DXF POWER with strict quality grading, this flat-top unprotected cell delivers a massive 5500mAh typical capacity (5330mAh minimum) on a 3.64V nominal platform with a reliable 11A constant continuous discharge rating. Engineered for maximum runtime per charge, long cycle life, and excellent thermal stability, the 58E is the premier high-capacity power cell for electric bicycles (e-bikes), electric scooters, long-range LED torches, robotics, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 58E Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell engineered by Samsung SDI for class-leading energy density and endurance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11A Constant Continuous Discharge:\u003c\/strong\u003e Delivers true 11A continuous current output for dependable energy delivery in electric mobility and power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5500mAh Ultra-High Capacity:\u003c\/strong\u003e 5500mAh typical (5330mAh minimum) offers exceptional operating runtime for long-distance transport and lighting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCC-CV Fast Charging Support:\u003c\/strong\u003e Charges to 4.20V with up to 5,500mA maximum charging constant current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Bare Cell Format:\u003c\/strong\u003e Flat-top design (21.78 mm maximum diameter × 71.0 mm maximum height) optimized for spot-welded custom battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for single cell replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-58E (58E)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e None (Unprotected industrial bare cell; requires compatible device-level or pack-level protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Capacity:\u003c\/strong\u003e 5500mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Capacity:\u003c\/strong\u003e 5330mAh (at 0.2C discharge to 2.5V after standard charge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e ≤ 3.636V (3.64V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e CC-CV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Voltage:\u003c\/strong\u003e 4.20V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charging Constant Current:\u003c\/strong\u003e 5,500mA (5.5A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-off Voltage:\u003c\/strong\u003e 2.50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Maximum Discharge Current:\u003c\/strong\u003e 11A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e 1 year: -20°C to 23°C; 3 months: -20°C to 45°C; 1 month: -20°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Dimensions:\u003c\/strong\u003e Diameter: 21.78 mm (max) × Length: 71.0 mm (max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (Max.):\u003c\/strong\u003e 74 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), electric scooters, high-lumen flashlights, robotics, portable energy storage, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSamsung INR21700-58E 5500mAh 11A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, tool testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Small Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding portable power banks and handheld devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Auxiliary \u0026amp; Mobility Modules:\u003c\/strong\u003e Ideal for 24V\/36V auxiliary modules, robotics, and compact DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Tailored for ultra-high capacity 36V\/48V electric bike packs, e-scooters, and portable energy stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Pack Assembly:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.20V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 11A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; special insulated battery cases are recommended.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 58E cells with authentic 5500mAh capacity and 11A continuous output\u003c\/li\u003e\n\u003cli\u003eTested continuous discharge performance and high energy density\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for e-mobility builders, DIY pack fabricators, contractors, and flashlight enthusiasts demanding maximum 5500mAh capacity, reliable 11A continuous output, and long cycle durability for electric bikes, e-scooters, robotics, and custom energy storage modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Samsung    Samsung INR21700-58E 5500mAh   BATTERY","offer_id":46147615326371,"sku":"INR21700-58E-5500mAh -1PCS","price":23.91,"currency_code":"USD","in_stock":true},{"title":"10PCS New Samsung    Samsung INR21700-58E 5500mAh   BATTERY","offer_id":46147615359139,"sku":"INR21700-58E-5500mAh -10PCS","price":79.21,"currency_code":"USD","in_stock":true},{"title":"20PCS New Samsung    Samsung INR21700-58E 5500mAh   BATTERY","offer_id":46147615391907,"sku":"INR21700-58E-5500mAh -20PCS","price":140.66,"currency_code":"USD","in_stock":true},{"title":"50PCS New Samsung    Samsung INR21700-58E 5500mAh   BATTERY","offer_id":46147615424675,"sku":"INR21700-58E-5500mAh -50PCS","price":324.99,"currency_code":"USD","in_stock":true},{"title":"100PCS New Samsung    Samsung INR21700-58E 5500mAh   BATTERY","offer_id":46147615457443,"sku":"INR21700-58E-5500mAh -100PCS","price":632.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/3_6a3b469c-148e-4486-9846-b0e390bbdbba.png?v=1790646119"},{"product_id":"samsung-inr21700-40t-4000mah-35a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"Samsung INR21700-40T 4000mAh 35A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR21700-40T ultra-high drain lithium-ion cells for your power tools, electric mobility, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSamsung INR21700-40T 4000mAh 35A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e (40T \/ 40T5) is an elite high-drain 21700 cylindrical power cell engineered for demanding high-current applications. Manufactured by Samsung SDI and supplied by DXF POWER with strict quality grading, this flat-top unprotected cell delivers a minimum 4000mAh standard capacity at 3.6V nominal platform (4.20V max charge) with an impressive 35A continuous discharge rating without temperature cut (up to 45A with an 80°C thermal cut-off). It is the premier choice for high-draw cordless power tools, electric skateboards, e-bikes, scooters, high-lumen flashlights, and custom multi-cell DIY battery packs requiring massive current delivery and robust cycle life.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 40T Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell (40T \/ 40T5) renowned for low internal resistance and massive continuous power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35A Continuous Discharge Rating:\u003c\/strong\u003e Delivers true 35A continuous discharge without temperature cutoff (and up to 45A with 80°C surface thermal control)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000mAh High Capacity:\u003c\/strong\u003e Minimum 4000mAh standard discharge capacity (at 0.2C \/ 800mA) and minimum 3900mAh rated capacity at 10A discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Rated Charging:\u003c\/strong\u003e Supports 2A standard charge (approx. 180 mins) and rapid 6A rated charging (approx. 70 mins to full charge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Cycle Life \u0026amp; Storage Recovery:\u003c\/strong\u003e Retains ≥2400mAh after 250 harsh cycles (6A charge \/ 35A discharge at 25°C), and ≥3510mAh recovery after 30 days storage at 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Dimensions (21.22mm max diameter × 70.30mm max height) with flat top terminal, ideal for spot-welded packs and modular battery sleds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages to suit single replacements or bulk pack fabrication\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Variant:\u003c\/strong\u003e INR21700-40T (40T \/ 40T5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Terminal \/ Form Factor:\u003c\/strong\u003e Flat Top (Unprotected industrial cell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Discharge Capacity:\u003c\/strong\u003e Minimum 4000mAh (at 0.2C \/ 800mA discharge to 2.5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Discharge Capacity:\u003c\/strong\u003e Minimum 3900mAh (at 10A discharge to 2.5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Cut-Off Voltage:\u003c\/strong\u003e 4.20V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.50V (end-of-discharge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Current:\u003c\/strong\u003e 35A (without temperature cut, recommended headline rating); 45A with 80°C surface thermal control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charge:\u003c\/strong\u003e CC-CV, 2A, 4.20V, 200mA cut-off (approx. 180 minutes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Fast Charge:\u003c\/strong\u003e CC-CV, 6A, 4.20V, 100mA cut-off (approx. 70 minutes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle-Life Criterion:\u003c\/strong\u003e ≥2400mAh after 250 cycles (6A charge, 35A discharge to 2.5V at 25°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Recovery:\u003c\/strong\u003e ≥3510mAh after 30 days at 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e Charge: 0°C to 45°C \/ Discharge: -20°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Temperature Limits:\u003c\/strong\u003e Charge: 0°C to 50°C \/ Discharge: -20°C to 80°C (recommended re-discharge release \u0026lt;60°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 21.22mm max diameter × 70.30mm max height (with tube)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 70.0g max (approx. 67g nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e No integrated protection circuit (requires device-level or pack BMS protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Cordless power tools, electric bicycles, e-scooters, electric skateboards, high-output flashlights, robotics, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung INR21700-40T 4000mAh 35A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, tool testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Tool Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding heavy-duty cordless power tool battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Output Modules:\u003c\/strong\u003e Ideal for 36V or 48V auxiliary modules, robotics, and DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – Mobility \u0026amp; Energy Modules:\u003c\/strong\u003e Tailored for high-performance electric bike packs, e-scooters, and portable power stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.20V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eDo not exceed cell surface temperature of 50°C during charging and 80°C during discharge; allow cell to cool below 60°C before recharging.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; always store in an insulated battery case.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 40T cells with true 4000mAh capacity and tested 35A high-drain output\u003c\/li\u003e\n\u003cli\u003eReliable 35A continuous discharge rating under demanding industrial operational loads\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for contractors, e-mobility builders, DIY pack fabricators, and enthusiasts demanding class-leading 35A continuous output and 4000mAh capacity for high-drain cordless tools, electric transport, robotics, and custom energy modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Samsung  INR2170040T 21700 3.6V 4000mAh BATTERY","offer_id":46147624665251,"sku":"INR21700-40T-4000mAh-1PCS","price":22.42,"currency_code":"USD","in_stock":true},{"title":"10PCS New Samsung  INR2170040T 21700 3.6V 4000mAh BATTERY","offer_id":46147624698019,"sku":"INR21700-40T-4000mAh-10PCS","price":58.22,"currency_code":"USD","in_stock":true},{"title":"20PCS New Samsung  INR2170040T 21700 3.6V 4000mAh BATTERY","offer_id":46147624730787,"sku":"INR21700-40T-4000mAh-20PCS","price":104.76,"currency_code":"USD","in_stock":true},{"title":"50PCS New Samsung  INR2170040T 21700 3.6V 4000mAh BATTERY","offer_id":46147624763555,"sku":"INR21700-40T-4000mAh-50PCS","price":244.38,"currency_code":"USD","in_stock":true},{"title":"100PCS New Samsung  INR2170040T 21700 3.6V 4000mAh BATTERY","offer_id":46147624796323,"sku":"INR21700-40T-4000mAh-100PCS","price":477.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/5_5b43a872-fe3d-44b9-bcbc-c078f4a2e5d6.png?v=1790599159"},{"product_id":"samsung-inr21700-50e-5000mah-9-8a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs","title":"Samsung INR21700-50E 5000mAh 9.8A Li-ion Battery for E-Bikes, Flashlights \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR21700-50E high-capacity 5000mAh lithium-ion cells for your electric mobility, high-lumen flashlights, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSamsung INR21700-50E 5000mAh 9.8A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an industry-benchmark high-capacity 21700 cylindrical power cell. Manufactured by Samsung SDI and supplied by DXF POWER with strict quality grading, this flat-top unprotected cell delivers a massive 5000mAh typical capacity (4753mAh minimum) on a 3.6V–3.7V nominal platform with a dependable 9.8A constant continuous discharge rating. As 21700 format batteries rapidly replace older 18650 cells across modern applications, the 50E provides maximum energy density and runtime for electric bicycles, e-scooters, long-range LED torches, robotics, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 50E Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell renowned worldwide for outstanding 5000mAh energy density and reliable cycle life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9.8A Constant Continuous Discharge:\u003c\/strong\u003e Engineered to sustain a reliable 9.8A continuous current output for energy-focused electronics and multi-cell battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000mAh Ultra-High Capacity:\u003c\/strong\u003e 5000mAh typical (4753mAh minimum) offers exceptional operating runtime per charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCC-CV Charging Support:\u003c\/strong\u003e Supports 2.45A standard charging current with up to 4.9A maximum charging current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Dimensions of 21.25 ± 0.1 mm diameter × 70.8 ± 0.15 mm height with flat terminals, ideal for spot-welded custom packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for single cell replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-50E (50E)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e No (Unprotected industrial bare cell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType Capacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Capacity:\u003c\/strong\u003e 4753mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V – 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging End Voltage:\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-off Voltage:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Constant Current Output:\u003c\/strong\u003e 9.8A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e CC-CV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Current:\u003c\/strong\u003e 2.45A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charging Current:\u003c\/strong\u003e 4.9A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 21.25 mm ± 0.1 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 70.8 mm ± 0.15 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 69 g ± 1 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), electric scooters, high-lumen flashlights, robotics, portable energy storage, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung INR21700-50E 5000mAh 9.8A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, tool testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Small Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding portable power banks and handheld devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Auxiliary \u0026amp; Mobility Modules:\u003c\/strong\u003e Ideal for 24V\/36V auxiliary modules, robotics, and compact DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Tailored for high-capacity 36V\/48V electric bike packs, e-scooters, and portable energy stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Pack Assembly:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.2V per cell or discharge below 2.5V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 9.8A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; always store in an insulated battery case.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 50E cells with authentic 5000mAh capacity and 9.8A continuous output\u003c\/li\u003e\n\u003cli\u003eTested continuous discharge performance and high energy density\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for e-mobility builders, DIY pack fabricators, contractors, and flashlight enthusiasts demanding maximum 5000mAh capacity and reliable 9.8A continuous output for electric bikes, e-scooters, robotics, and custom energy storage modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Samsung INR21700-50E  5000mAh BATTERY","offer_id":46147679846563,"sku":"INR21700-50E-5000mAh-1PCS","price":24.61,"currency_code":"USD","in_stock":true},{"title":"10PCS New Samsung INR21700-50E  5000mAh BATTERY","offer_id":46147679879331,"sku":"INR21700-50E-5000mAh-10PCS","price":86.21,"currency_code":"USD","in_stock":true},{"title":"20PCS New Samsung INR21700-50E  5000mAh BATTERY","offer_id":46147679912099,"sku":"INR21700-50E-5000mAh-20PCS","price":154.65,"currency_code":"USD","in_stock":true},{"title":"50PCS New Samsung INR21700-50E  5000mAh BATTERY","offer_id":46147679944867,"sku":"INR21700-50E-5000mAh-50PCS","price":359.97,"currency_code":"USD","in_stock":true},{"title":"100PCS New Samsung INR21700-50E  5000mAh BATTERY","offer_id":46147679977635,"sku":"INR21700-50E-5000mAh-100PCS","price":702.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_53b99401-1faf-483d-8297-aadc9e9b3742.jpg?v=1790606103"},{"product_id":"samsung-inr21700-45t-4500mah-35a-li-ion-battery-for-power-tools-rc-diy-battery-packs-1-100-pcs","title":"Samsung INR21700-45T 4500mAh 35A Li-ion Battery for Power Tools, RC \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR21700-45T high-capacity 4500mAh, ultra-high drain lithium-ion cells for your high-power cordless tools, RC models, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSamsung INR21700-45T 4500mAh 35A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an ultra-high performance 21700 cylindrical power cell manufactured by Samsung SDI and supplied by DXF POWER with strict quality grading. Designed for extreme current applications, this flat-top bare cell delivers a generous 4500mAh typical capacity (4400mAh minimum) on a 3.6V nominal platform with a massive 35A continuous discharge capability without thermal cut-off (and up to 50A continuous when monitored with an 80°C temperature cut). Combining sustained high-power output, rapid charging capability (up to 6A continuous \/ 9A step charge), and exceptional voltage retention under heavy loads, it is the premier choice for high-draw cordless power tools, RC models, electric skateboards, e-bikes, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 45T Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical power cell engineered for demanding high-drain industrial and hobby applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35A Constant Continuous Discharge:\u003c\/strong\u003e Delivers true 35A constant current without temperature cut-off (and up to 50A continuous with 80°C thermal monitoring)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4500mAh High Capacity:\u003c\/strong\u003e Typical 4500mAh (4400mAh minimum) capacity balances extreme discharge power with long runtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Charging Capability:\u003c\/strong\u003e Supports up to 6A continuous rated charge (full charge in approx. 75 minutes) and 9A step charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Thermal \u0026amp; Cycle Stability:\u003c\/strong\u003e Operates across a wide temperature range (-20°C to 60°C discharge) with proven cycle retention under high-amp discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Bare Cell:\u003c\/strong\u003e Flat-top form factor (Max 21.35mm diameter × 70.62mm height) optimized for spot-welded custom battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages to suit single cell replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, low internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-45T (45T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e No (Unprotected industrial bare cell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Discharge Capacity:\u003c\/strong\u003e 4500mAh (0.2C \/ 0.9A discharge to 2.5V @ RT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Discharge Capacity:\u003c\/strong\u003e 4400mAh (Rated min. 4300mAh at 10A discharge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charge:\u003c\/strong\u003e CCCV, 2.25A (0.5C), 4.20V, 225mA cut-off (approx. 150 min)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Fast Charge:\u003c\/strong\u003e CCCV, 6A, 4.20V, 100mA cut-off (approx. 75 min)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charge Current:\u003c\/strong\u003e 6A (continuous charge) \/ 9A (for step charge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-off Voltage:\u003c\/strong\u003e 2.5V (End of discharge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge:\u003c\/strong\u003e 35A (without temperature cut) \/ 50A (with 80°C temperature cut)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e ≥ 2700mAh after 250 cycles at 35A discharge (or after 100 cycles at 50A discharge with 80°C cut-off)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: -10°C to 60°C; Discharge: -20°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e 1 year: -20°C to 23°C; 3 months: -20°C to 45°C; 1 month: -20°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Cell Dimensions:\u003c\/strong\u003e Diameter: Max. 21.35 mm × Height: Max. 70.62 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Max. 72.0 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Cordless power tools, RC models, high-drain electric skateboards, e-bikes, robotics, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung INR21700-45T 4500mAh 35A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for tool testing, flashlight upgrade, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Cordless Tool Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding heavy-duty power tool battery packs (drills, grinders, saws)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Output Modules:\u003c\/strong\u003e Ideal for RC models, robotics, and compact high-drain DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – Mobility \u0026amp; Energy Modules:\u003c\/strong\u003e Tailored for high-performance electric skateboards, e-bikes, and portable power stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.20V per cell or discharge below 2.5V per cell.\u003c\/li\u003e\n\u003cli\u003eDo not exceed cell surface temperature of 80°C during heavy continuous discharge.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; always store in an insulated battery case.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 45T cells with true 4500mAh capacity and 35A\/50A high-drain output\u003c\/li\u003e\n\u003cli\u003eTested continuous discharge performance under demanding operational loads\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for contractors, RC hobbyists, e-mobility builders, and DIY pack fabricators demanding high 4500mAh capacity and extreme 35A\/50A continuous discharge for high-power cordless tools, electric skateboards, robotics, and custom energy modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Samsung INR21700-45T  4500mAh  50A BATTERY","offer_id":46147748626595,"sku":"INR21700-45T-4500mAh-1PCS","price":23.97,"currency_code":"USD","in_stock":true},{"title":"10PCS New Samsung INR21700-45T  4500mAh  50A BATTERY","offer_id":46147748659363,"sku":"INR21700-45T-4500mAh-10PCS","price":79.82,"currency_code":"USD","in_stock":true},{"title":"20PCS New Samsung INR21700-45T  4500mAh  50A BATTERY","offer_id":46147748692131,"sku":"INR21700-45T-4500mAh-20PCS","price":141.87,"currency_code":"USD","in_stock":true},{"title":"50PCS New Samsung INR21700-45T  4500mAh  50A BATTERY","offer_id":46147748724899,"sku":"INR21700-45T-4500mAh-50PCS","price":328.03,"currency_code":"USD","in_stock":true},{"title":"100PCS New Samsung INR21700-45T  4500mAh  50A BATTERY","offer_id":46147748757667,"sku":"INR21700-45T-4500mAh-100PCS","price":638.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_65e8c949-5de9-47d2-b0c5-eaaf032272ec.png?v=1790643204"},{"product_id":"samsung-inr21700-53g-5300mah-15-9a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs","title":"Samsung INR21700-53G 5300mAh 15.9A Li-ion Battery for E-Bikes, Flashlights \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR21700-53G ultra-high capacity 5300mAh 3.63V lithium-ion cells for your electric mobility, high-lumen flashlights, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSamsung INR21700-53G 5300mAh 15.9A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e (the enhanced next-generation successor to the popular 50G cell) represents the pinnacle of energy density in the 21700 form factor. Manufactured by Samsung SDI and supplied by DXF POWER with strict quality grading, this flat-top unprotected cell delivers an industry-leading 5300mAh typical capacity (5140mAh minimum) on a 3.63V nominal platform with a robust 3C (15.9A \/ 15,900mA) maximum continuous discharge rating. Engineered for sustained runtime, exceptional 1,000-cycle life longevity, and reliable thermal stability, the 53G is the ultimate choice for electric bicycles (e-bikes), electric scooters, high-performance LED torches, robotics, solar storage, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 53G Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell engineered in Korea\/Malaysia, offering state-of-the-art 5300mAh energy density\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15.9A (3C) Continuous Discharge:\u003c\/strong\u003e Robust 15,900mA maximum continuous current capability powers demanding electric mobility and portable devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-Leading 5300mAh Capacity:\u003c\/strong\u003e 5300mAh typical (5140mAh minimum) delivers class-leading runtime for long-distance rides and extended illumination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutstanding 1,000+ Cycle Durability:\u003c\/strong\u003e Maintains ≥80% of initial capacity even after 1,000 charge\/discharge cycles under recommended cycling conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast CC-CV Charging Support:\u003c\/strong\u003e Supports 0.33C (1,749mA) standard charging with up to 5,300mA maximum charging current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Dimensions of Φ Max 21.30 mm diameter × Max 70.70 mm height with flat top terminal, optimized for spot welding and custom pack builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages to suit single replacements or bulk battery pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-53G (53G, Ver. 2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e No (Unprotected industrial bare cell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Discharge Capacity:\u003c\/strong\u003e 5300mAh (1C = 5,300mA rating)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Discharge Capacity:\u003c\/strong\u003e 5140mAh (0.2C \/ 1060mA discharge to 2.5V @ RT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.63V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e CC-CV (constant voltage with limited current)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charging Current:\u003c\/strong\u003e 0.33C (1,749mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charging Voltage:\u003c\/strong\u003e 4.2V (4.15V recommended for extended cycle life)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charging Current:\u003c\/strong\u003e 5,300mA (5.3A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-off Voltage:\u003c\/strong\u003e 2.5V (3.0V recommended for extended cycle life)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 3C (15,900mA \/ 15.9A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e Capacity ≥ 80% after 1,000 cycles (80% of initial capacity @ RT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: 0°C to 45°C; Discharge: -20°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e 1 year: -20°C to 23°C; 3 months: -20°C to 45°C; 1 month: -20°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Cell Dimensions:\u003c\/strong\u003e Diameter: Φ Max. 21.30 mm × Height: Max. 70.70 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Max. 71.5 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing Sites:\u003c\/strong\u003e Korea \u0026amp; Malaysia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), electric scooters, high-lumen flashlights, robotics, portable energy storage, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung INR21700-53G 5300mAh 15.9A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, tool testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Small Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding portable power banks and handheld devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Auxiliary \u0026amp; Mobility Modules:\u003c\/strong\u003e Ideal for 24V\/36V auxiliary modules, robotics, and compact DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Tailored for ultra-high capacity 36V\/48V electric bike packs, e-scooters, and portable energy stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Pack Assembly:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode.\u003c\/li\u003e\n\u003cli\u003eStandard charging voltage is 4.20V (charge to 4.15V to maximize cycle life).\u003c\/li\u003e\n\u003cli\u003eDischarge cut-off voltage is 2.5V (3.0V recommended for prolonged cycle life).\u003c\/li\u003e\n\u003cli\u003eCharge within 0°C to 45°C; discharge within -20°C to 60°C.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; always store in an insulated battery case.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 53G cells with industry-leading 5300mAh capacity and 15.9A continuous output\u003c\/li\u003e\n\u003cli\u003eTested continuous discharge performance and outstanding 1,000+ cycle durability\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for e-mobility builders, DIY pack fabricators, contractors, and flashlight enthusiasts demanding maximum 5300mAh capacity, reliable 15.9A continuous output, and long 1,000-cycle durability for electric bikes, e-scooters, robotics, and custom energy storage modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS NewSamsung INR21700-53G 5300mAh   BATTERY","offer_id":46148411228323,"sku":"INR21700-53G-5000mAh-1PCS","price":23.36,"currency_code":"USD","in_stock":true},{"title":"10PCS  NewSamsung INR21700-53G 5300mAh   BATTERY","offer_id":46148411261091,"sku":"INR21700-53G-5000mAh-10PCS","price":73.73,"currency_code":"USD","in_stock":true},{"title":"20PCS  NewSamsung INR21700-53G 5300mAh   BATTERY","offer_id":46148411293859,"sku":"INR21700-53G-5000mAh-20PCS","price":129.7,"currency_code":"USD","in_stock":true},{"title":"50PCS NewSamsung INR21700-53G 5300mAh   BATTERY","offer_id":46148411326627,"sku":"INR21700-53G-5000mAh-50PCS","price":297.62,"currency_code":"USD","in_stock":true},{"title":"100PCS  NewSamsung INR21700-53G 5300mAh   BATTERY","offer_id":46148411359395,"sku":"INR21700-53G-5000mAh-100PCS","price":577.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_65c749c8-7203-45d7-b092-29ae0a0f7d19.jpg?v=1790644790"},{"product_id":"samsung-inr21700-50gb-5000mah-15a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs","title":"Samsung INR21700-50GB 5000mAh 15A Li-ion Battery for E-Bikes, Flashlights \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR21700-50GB high-capacity 3.66V lithium-ion cells for your electric mobility, high-lumen flashlights, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSamsung INR21700-50GB 5000mAh 15A Li-ion Rechargeable Battery\u003c\/strong\u003e is an ultra-high energy density 21700 cylindrical power cell manufactured by Samsung SDI (Korea) and supplied by DXF POWER with strict quality grading. Featuring an impressive 5000mAh typical capacity (4900mAh minimum) on a 3.66V nominal platform, this unprotected flat-top cell provides up to 15A continuous discharge, outstanding cycle stability (maintaining ≥80% capacity after 1,000 cycles), and broad operating temperatures (-30°C to 60°C discharge). It is the ideal high-capacity power solution for electric bicycles (e-bikes), electric scooters, long-runtime LED torches, robotics, solar energy storage, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 50GB Cell:\u003c\/strong\u003e Premium Grade-A 21700 cell engineered in Korea for maximum energy density and exceptional cycle life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000mAh Ultra-High Capacity:\u003c\/strong\u003e 5000mAh typical (4900mAh minimum) ensures extended runtime in portable electric vehicles and high-drain electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15A Continuous Discharge:\u003c\/strong\u003e Reliable current delivery capable of supporting continuous draw up to 15A without compromising cell longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional 1,000+ Cycle Life:\u003c\/strong\u003e Retains ≥80% of initial capacity even after 1,000 charge\/discharge cycles under recommended cycling conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Operating Range:\u003c\/strong\u003e Discharges reliably from -30°C to 60°C and charges from 0°C to 50°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Form Factor:\u003c\/strong\u003e Max dimensions (D) 21.3 × (L) 70.65 mm (±0.15 mm), flat top bare cell design ideal for spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages to suit single replacements or volume pack assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart No. \/ Model:\u003c\/strong\u003e Samsung INR21700-50GB (50GB Bare Cell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Origin:\u003c\/strong\u003e Made in Korea\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e No (Unprotected industrial bare cell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Capacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Capacity:\u003c\/strong\u003e 4900mAh (1C = 4900mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.66V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Voltage:\u003c\/strong\u003e 4.20 ± 0.03V (4.125V for cycle life)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e CC-CV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Current Rate:\u003c\/strong\u003e 0.33C (1617mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charge Time:\u003c\/strong\u003e 240 minutes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut-off Voltage:\u003c\/strong\u003e 4.2V (4.125V for cycle life) max charge voltage; 2.5V (3.0V for cycle life) discharge cut-off voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 15A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e Capacity ≥ 80% after 1,000 cycles (80% of initial capacity @ RT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: 0°C to 50°C; Discharge: -30°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Dimensions:\u003c\/strong\u003e Diameter: 21.3 mm × Length: 70.65 mm (±0.15 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (Max.):\u003c\/strong\u003e 72.0 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), e-scooters, electric mobility, high-output flashlights, power tools, robotics, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung INR21700-50GB 5000mAh 15A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, tool testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Small Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding portable power banks and handheld devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Auxiliary \u0026amp; Mobility Modules:\u003c\/strong\u003e Ideal for 24V\/36V auxiliary modules, robotics, and compact DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Tailored for high-capacity 36V\/48V electric bike packs, e-scooters, and portable energy stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Pack Assembly:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode.\u003c\/li\u003e\n\u003cli\u003eStandard charging voltage is 4.20V ± 0.03V (charge to 4.125V to maximize cycle life).\u003c\/li\u003e\n\u003cli\u003eDischarge cut-off voltage is 2.5V (3.0V recommended for prolonged cycle life).\u003c\/li\u003e\n\u003cli\u003eCharge within 0°C to 50°C; discharge within -30°C to 60°C.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; always store in an insulated battery case.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 50GB cells with true 5000mAh high capacity and 15A continuous output\u003c\/li\u003e\n\u003cli\u003eTested continuous discharge performance and outstanding 1,000+ cycle life\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for e-mobility builders, DIY pack fabricators, contractors, and flashlight enthusiasts demanding high 5000mAh capacity, reliable 15A continuous output, and long 1,000-cycle durability for electric bikes, e-scooters, robotics, and custom energy storage modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Samsung INR21700-50GB 5000mAh  BATTERY","offer_id":46148537352355,"sku":"INR21700-50GB-5000mAh-1PCS","price":23.65,"currency_code":"USD","in_stock":true},{"title":"10PCS New Samsung INR21700-50GB 5000mAh  BATTERY","offer_id":46148537385123,"sku":"INR21700-50GB-5000mAh-10PCS","price":76.65,"currency_code":"USD","in_stock":true},{"title":"20PCS New Samsung INR21700-50GB 5000mAh  BATTERY","offer_id":46148537417891,"sku":"INR21700-50GB-5000mAh-20PCS","price":135.55,"currency_code":"USD","in_stock":true},{"title":"50PCS New Samsung INR21700-50GB 5000mAh  BATTERY","offer_id":46148537450659,"sku":"INR21700-50GB-5000mAh-50PCS","price":312.22,"currency_code":"USD","in_stock":true},{"title":"100PCS New Samsung INR21700-50GB 5000mAh  BATTERY","offer_id":46148537483427,"sku":"INR21700-50GB-5000mAh-100PCS","price":600.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_d14fc9af-3b3f-4a46-a354-29b522f2cc69.jpg?v=1755673044"},{"product_id":"lg-m58t-inr21700-m58t-5800mah-12-5a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs","title":"LG M58T INR21700-M58T 5800mAh 12.5A Li-ion Battery for E-Bikes, Flashlights \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine LG Chem M58T INR21700-M58T ultra-high capacity 5800mAh 12.5A continuous lithium-ion cells for electric bicycles, high-lumen flashlights, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eLG M58T INR21700-M58T 5800mAh 12.5A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an industry-leading ultra-high-capacity 21700 cylindrical power cell manufactured by LG Chem and supplied by DXF POWER with strict quality grading. Boasting an incredible 5800mAh nominal capacity (5570mAh minimum) on a 3.59V nominal platform, this flat-top bare cell delivers up to 12.5A constant continuous discharge current across a wide temperature spectrum (-20°C to +70°C). Designed for applications demanding maximum energy density and extended operating time, the LG M58T represents the next generation in cylindrical lithium-ion power for long-range electric bicycles, scooters, high-lumen LED torches, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine LG Chem M58T Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical power cell delivering massive energy density in standard 21700 dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5800mAh Ultra-High Capacity:\u003c\/strong\u003e Remarkable 5800mAh nominal capacity (5570mAh minimum) delivers exceptional endurance for prolonged operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.5A Constant Continuous Discharge:\u003c\/strong\u003e Delivers true 12.5A continuous current output without thermal cut-off, optimized for sustained power draw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.59V Nominal Platform:\u003c\/strong\u003e Stable discharge curve with standard 4.20V charging and 2.50V discharge cut-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Thermal Operating Range:\u003c\/strong\u003e Performs reliably from -20°C up to +70°C discharge, ideal for demanding outdoor environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Dimensions of 21.8 mm diameter × 71.0 mm height and 73.2 g max weight, ideal for precision spot welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e LG Chem (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-M58T \/ INR21700M58T (M58T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible device-level or pack-level protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 5800mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Capacity:\u003c\/strong\u003e 5570mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.59V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 12.5A (-20°C to +70°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Voltage:\u003c\/strong\u003e 4.20V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charge Current:\u003c\/strong\u003e 1120mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charge Current:\u003c\/strong\u003e 2.7A (4.20V cut off, 10°C–50°C) \/ 5.0A (4.0V cut off, 10°C–40°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: 0°C to 50°C; Discharge: -20°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21.8 mm × Height: 71.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Max. 73.2 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), electric scooters, high-lumen flashlights, portable energy storage, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLG M58T INR21700-M58T 5800mAh 12.5A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable Light \u0026amp; Device Packs:\u003c\/strong\u003e Ideal for high-lumen multi-cell torches, camping lanterns, and small electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Compact Energy Modules:\u003c\/strong\u003e Perfect for small portable power banks, robotics, and auxiliary power supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Rebuilds:\u003c\/strong\u003e Sized for building and refurbishing standard 36V\/48V electric bicycle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 12.5A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A LG Chem M58T cells with true 5800mAh ultra-high capacity and 12.5A continuous output\u003c\/li\u003e\n\u003cli\u003eNext-generation energy density tailored for maximum runtime and range\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for e-bike builders, electric scooter riders, flashlight enthusiasts, and DIY pack fabricators demanding maximum 5800mAh ultra-high capacity and stable 12.5A continuous discharge for long-range electric mobility, high-lumen lighting, and custom energy storage modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted LG Chem performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New LGM58T 5800mAh BATTERY","offer_id":46151279739043,"sku":"LGM58T-5800mAh-1PCS","price":23.12,"currency_code":"USD","in_stock":true},{"title":"10PCS New LGM58T 5800mAh BATTERY","offer_id":46151279771811,"sku":"LGM58T-5800mAh-10PCS","price":71.3,"currency_code":"USD","in_stock":true},{"title":"20PCS New LGM58T 5800mAh BATTERY","offer_id":46151279804579,"sku":"LGM58T-5800mAh-20PCS","price":124.84,"currency_code":"USD","in_stock":true},{"title":"50PCS New LGM58T 5800mAh BATTERY","offer_id":46151279837347,"sku":"LGM58T-5800mAh-50PCS","price":285.45,"currency_code":"USD","in_stock":true},{"title":"100PCS New LGM58T 5800mAh BATTERY","offer_id":46151279870115,"sku":"LGM58T-5800mAh-100PCS","price":553.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_f4cc3eab-70df-44cf-86e7-e0132c5eb84c.png?v=1790683993"},{"product_id":"lg-m50lt-inr21700m50lt-5000mah-14a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs","title":"LG M50LT INR21700M50LT 5000mAh 14A Li-ion Battery for E-Bikes, Flashlights \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine LG Chem M50LT INR21700M50LT ultra-high capacity 5000mAh 14A continuous lithium-ion cells for electric bicycles, high-lumen flashlights, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eLG M50LT INR21700M50LT 5000mAh 14A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an industry-benchmark high-energy-density 21700 cylindrical power cell manufactured by LG Chem and supplied by DXF POWER with strict quality grading. Engineered for prolonged endurance in electric mobility, energy storage, and premium consumer electronics, this flat-top bare cell delivers a massive 5000mAh nominal capacity on a 3.6V nominal platform with a dependable 14A constant continuous discharge rating. Celebrated for its remarkable cycle life, low internal impedance, and excellent thermal stability across wide operating temperatures (-20°C to +60°C), the LG M50LT is the premier choice for long-range electric bicycles, scooters, high-lumen LED torches, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine LG Chem M50LT Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical power cell recognized for premium energy density and long-term cycle durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000mAh Ultra-High Capacity:\u003c\/strong\u003e True 5000mAh nominal capacity delivers exceptional runtime for electric vehicles and heavy-duty portable devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14A Constant Continuous Discharge:\u003c\/strong\u003e Reliable 14A continuous discharge current without thermal cut-off, optimized for sustained power draw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.6V Nominal Platform:\u003c\/strong\u003e Efficient energy delivery with standard 4.20V charging and 2.50V discharge cut-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Operates reliably from -20°C up to +60°C discharge, ensuring consistent power in diverse climates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Dimensions of max 21.0 mm diameter × 70.0 mm height and typical 69.0 g weight, ideal for precision spot welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e LG Chem (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700M50LT \/ INR21700-M50LT (M50LT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible device-level or pack-level protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 14A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Voltage:\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: 0°C to +50°C; Discharge: -20°C to +60°C; Storage: -20°C to +50°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Max. 21.0 mm Diameter × 70.00 mm Height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Typical 69.0 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), electric scooters, high-lumen flashlights, portable energy stations, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLG M50LT INR21700M50LT 5000mAh 14A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable Light \u0026amp; Device Packs:\u003c\/strong\u003e Ideal for high-lumen multi-cell torches, camping lanterns, and small electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Compact Energy Modules:\u003c\/strong\u003e Perfect for small portable power banks, robotics, and auxiliary power supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Rebuilds:\u003c\/strong\u003e Sized for building and refurbishing standard 36V\/48V electric bicycle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 14A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A LG Chem M50LT cells with true 5000mAh capacity and 14A continuous output\u003c\/li\u003e\n\u003cli\u003eIndustry-leading energy density tailored for long-range electric mobility\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for e-bike builders, electric scooter riders, flashlight enthusiasts, and DIY pack fabricators demanding dependable 5000mAh high capacity and stable 14A continuous discharge for long-range electric mobility, high-lumen lighting, and custom energy storage modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted LG Chem performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New LG INR21700-M50LT 5000mAh BATTERY","offer_id":46158496989347,"sku":"INR21700-M50LT-5000mAh-1PCS","price":23.12,"currency_code":"USD","in_stock":true},{"title":"10PCS New LG INR21700-M50LT 5000mAh BATTERY","offer_id":46158497022115,"sku":"INR21700-M50LT-5000mAh-10PCS","price":71.3,"currency_code":"USD","in_stock":true},{"title":"20PCS New LG INR21700-M50LT 5000mAh BATTERY","offer_id":46158497054883,"sku":"INR21700-M50LT-5000mAh-20PCS","price":124.84,"currency_code":"USD","in_stock":true},{"title":"50PCS New LG INR21700-M50LT 5000mAh BATTERY","offer_id":46158497087651,"sku":"INR21700-M50LT-5000mAh-50PCS","price":285.45,"currency_code":"USD","in_stock":true},{"title":"100PCS New LG INR21700-M50LT 5000mAh BATTERY","offer_id":46158497120419,"sku":"INR21700-M50LT-5000mAh-100PCS","price":553.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_d8569232-6080-48eb-a199-918e53e26c20.png?v=1790683378"},{"product_id":"sony-vtc6a-us21700vtc6a-4000mah-30a-li-ion-battery-for-power-tools-rc-diy-battery-packs-1-100-pcs","title":"Sony VTC6A US21700VTC6A 4000mAh 30A Li-ion Battery for Power Tools, RC \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Sony \/ Murata VTC6A US21700VTC6A ultra-high drain 4000mAh 30A lithium-ion cells for your power tools, RC models, electric mobility, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSony VTC6A US21700VTC6A 4000mAh 30A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an industry-benchmark high-capacity, high-drain 21700 cylindrical power cell manufactured by Sony \/ Murata and supplied by DXF POWER with strict quality grading. Designed for extreme continuous output, this flat-top bare cell delivers a generous 4000mAh nominal capacity on a 3.6V platform with a massive 30A constant continuous discharge rating (and up to 40A continuous when monitored with an 80°C temperature cut). Renowned for its ultra-low internal resistance (~0.03 Ω), outstanding voltage retention under heavy amp draw, and robust thermal stability, the VTC6A is the premier choice for heavy-duty cordless power tools, RC models, electric skateboards, e-bikes, robotics, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Sony \/ Murata VTC6A Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical power cell acclaimed for its superior balance of 4000mAh capacity and high-drain power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30A Continuous Discharge:\u003c\/strong\u003e Delivers true 30A constant continuous discharge current without thermal cut-off (and up to 40A continuous with 80°C thermal protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000mAh High Capacity:\u003c\/strong\u003e 4000mAh nominal capacity provides substantial runtime for power-hungry devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Resistance:\u003c\/strong\u003e Measured at approx. 0.03 Ω for minimal voltage sag and efficient energy delivery under high load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Dimensions of 21.2 mm diameter × 69.6 mm length with metal bottom and flat top terminal, optimized for custom spot welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for single cell replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Sony \/ Murata (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e US21700VTC6A (VTC6A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible device-level or pack-level protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 4000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 30A (up to 40A with 80°C temperature cut)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Voltage:\u003c\/strong\u003e 4.2V (Termination current: 0.1A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalculated Internal Resistance:\u003c\/strong\u003e Approx. 0.03 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21.2 mm × Length: 69.6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e 72.1 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Cordless power tools, RC models, electric skateboards, e-bikes, robotics, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSony VTC6A US21700VTC6A 4000mAh 30A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for tool testing, flashlight upgrade, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Cordless Tool Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding heavy-duty cordless power tool battery packs (drills, grinders, saws)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Output Modules:\u003c\/strong\u003e Ideal for RC models, robotics, and compact high-drain DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – Mobility \u0026amp; Energy Modules:\u003c\/strong\u003e Tailored for high-performance electric skateboards, e-bikes, and portable energy stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eDo not exceed cell surface temperature of 80°C during heavy continuous discharge.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; always store in an insulated battery case.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Sony \/ Murata VTC6A cells with true 4000mAh capacity and 30A\/40A high-drain output\u003c\/li\u003e\n\u003cli\u003eTested continuous discharge performance under demanding operational loads\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for contractors, RC hobbyists, e-mobility builders, and DIY pack fabricators demanding dependable 4000mAh capacity and extreme 30A\/40A continuous discharge for high-power cordless tools, electric skateboards, robotics, and custom energy modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Sony 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Sony 21700 VTC6A 4000mAh - 40A Lithium ion Cell  BATTERY","offer_id":46161201430691,"sku":"US21700VTC6A-4000mAh-1PCS","price":31.45,"currency_code":"USD","in_stock":true},{"title":"10PCS New Sony 21700 VTC6A 4000mAh - 40A Lithium ion Cell  BATTERY","offer_id":46161201463459,"sku":"US21700VTC6A-4000mAh-10PCS","price":154.65,"currency_code":"USD","in_stock":true},{"title":"20PCS New Sony 21700 VTC6A 4000mAh - 40A Lithium ion Cell  BATTERY","offer_id":46161201496227,"sku":"US21700VTC6A-4000mAh-20PCS","price":291.53,"currency_code":"USD","in_stock":true},{"title":"50PCS New Sony 21700 VTC6A 4000mAh - 40A Lithium ion Cell  BATTERY","offer_id":46161201528995,"sku":"US21700VTC6A-4000mAh-50PCS","price":702.18,"currency_code":"USD","in_stock":true},{"title":"100PCS New Sony 21700 VTC6A 4000mAh - 40A Lithium ion Cell  BATTERY","offer_id":46161201561763,"sku":"US21700VTC6A-4000mAh-100PCS","price":1386.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_388d6eee-abc6-4b11-abca-234b7093f876.jpg?v=1790664430"},{"product_id":"dmegc-inr21700-45e-4500mah-9a-li-ion-battery-for-evs-power-tools-diy-battery-packs-1-100-pcs","title":"DMEGC INR21700-45E 4500mAh 9A Li-ion Battery for EVs, Power Tools \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine DMEGC INR21700-45E high-capacity 4500mAh 9A continuous lithium-ion cells for electric vehicles, cordless power tools, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDMEGC INR21700-45E 4500mAh 9A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is a high-performance cylindrical power cell manufactured by DMEGC and supplied by DXF POWER with strict quality grading. Designed for extended operating endurance and reliable power delivery, this flat-top bare cell features a generous 4500mAh nominal capacity (4400mAh minimum) on a 3.7V nominal platform with a dependable 2C (9.0A) maximum continuous discharge rating and over 1,000 cycle life (80% DOD). Known for low internal resistance, stable thermal performance, and eco-friendly construction, the DMEGC 45E is an ideal choice for electric vehicles (EVs), light electric mobility, cordless power tools, energy storage systems, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine DMEGC INR21700-45E Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical power cell manufactured by leading producer DMEGC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4500mAh High Capacity:\u003c\/strong\u003e Substantial 4500mAh nominal capacity (4400mAh minimum) provides long-lasting runtimes across portable devices and high-capacity modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9.0A (2C) Continuous Discharge Output:\u003c\/strong\u003e Stable 9.0A continuous discharge capability supports steady power demands with low thermal generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Cycle Life:\u003c\/strong\u003e Engineered for over 1,000 charge cycles at 80% DOD, ensuring exceptional durability and cost efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast 1C Charging:\u003c\/strong\u003e Supports up to 1C (4.5A) charge current for fast turnaround times\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Internal Resistance:\u003c\/strong\u003e Low IR profile ensures efficient power transfer and minimal voltage sag under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e 21 mm diameter × 70 mm height and ~70 g weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e DMEGC (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-45E (21700-45E)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Chemistry:\u003c\/strong\u003e INR (Lithium Nickel Manganese Cobalt Oxide)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Terminal:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 4500mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Capacity:\u003c\/strong\u003e 4400mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Voltage:\u003c\/strong\u003e 4.2V ± 0.05V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Continuous Discharge Current:\u003c\/strong\u003e 2C (9.0A continuous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Charge Current:\u003c\/strong\u003e 1C (4.5A CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e \u0026gt;1,000 cycles (80% DOD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21 mm × Height: 70 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 70 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric vehicles (EVs), electric bikes\/scooters, cordless power tools, portable electronics, energy storage systems, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDMEGC INR21700-45E 4500mAh 9A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable Light \u0026amp; Device Packs:\u003c\/strong\u003e Ideal for high-lumen multi-cell torches, camping lanterns, and small electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Compact Energy Modules:\u003c\/strong\u003e Perfect for small portable power banks, robotics, and auxiliary power supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – EV \u0026amp; E-Bike Battery Rebuilds:\u003c\/strong\u003e Sized for assembling and refurbishing standard 36V\/48V light electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 9.0A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A DMEGC INR21700-45E cells with authentic 4500mAh capacity and 9A continuous output\u003c\/li\u003e\n\u003cli\u003eHigh-energy-density chemistry with long 1,000+ cycle life and stable voltage plateau\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for EV builders, power tool technicians, and DIY pack fabricators demanding dependable 4500mAh capacity, steady 9A continuous discharge, and over 1,000 cycle endurance for electric mobility, energy storage, and custom power assemblies.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted DMEGC performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS DMEGC INR21700-45E 4500MAH BATTERY","offer_id":46163637534883,"sku":"INR21700-45E-4500MAH-1PCS","price":18.28,"currency_code":"USD","in_stock":true},{"title":"10PCS DMEGC INR21700-45E 4500MAH BATTERY","offer_id":46163637567651,"sku":"INR21700-45E-4500MAH-10PCS","price":77.69,"currency_code":"USD","in_stock":true},{"title":"20PCS DMEGC INR21700-45E 4500MAH BATTERY","offer_id":46163637600419,"sku":"INR21700-45E-4500MAH-20PCS","price":143.7,"currency_code":"USD","in_stock":true},{"title":"50PCS DMEGC INR21700-45E 4500MAH BATTERY","offer_id":46163637633187,"sku":"INR21700-45E-4500MAH-50PCS","price":341.72,"currency_code":"USD","in_stock":true},{"title":"100PCS DMEGC INR21700-45E 4500MAH BATTERY","offer_id":46163637665955,"sku":"INR21700-45E-4500MAH-100PCS","price":671.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_b905aec6-64ac-4b40-9af0-c93de1ecce2f.png?v=1790853624"},{"product_id":"dmegc-inr21700-5000mah-15a-li-ion-battery-for-e-bikes-power-tools-diy-battery-packs-1-100-pcs","title":"DMEGC INR21700 5000mAh 15A Li-ion Battery for E-Bikes, Power Tools \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine DMEGC INR 21700 high-capacity 5000mAh 15A continuous lithium-ion cells for electric bicycles, cordless power tools, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDMEGC INR 21700 5000mAh 15A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is a high-capacity cylindrical bare cell manufactured by DMEGC and supplied by DXF POWER with strict quality grading. Delivering an exceptional balance of extended operating runtime and steady 15A continuous discharge performance, this flat-top bare cell features a massive 5000mAh nominal capacity on a standard 3.6V–3.7V platform. Known for its stable voltage retention under load, low internal resistance, and outstanding thermal stability, the DMEGC 21700 5000mAh cell is an ideal solution for electric bicycles (e-bikes), electric scooters, cordless power tools, high-lumen flashlights, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine DMEGC INR 21700 Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical power cell manufactured by leading producer DMEGC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000mAh High-Capacity Performance:\u003c\/strong\u003e Ultra-high 5000mAh capacity provides long runtime for high-energy-demand vehicles and devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15A Continuous Discharge Output:\u003c\/strong\u003e Reliable 15A maximum continuous discharge current supports moderate-to-heavy power draws without overheating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced INR Chemistry:\u003c\/strong\u003e High-density formulation ensures stable discharge voltage, minimal voltage sag, and reliable cycle life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 3.6V–3.7V Platform:\u003c\/strong\u003e CC-CV charging profile up to 4.20V ± 0.05V with standard 2.50V discharge cut-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e 21.3 mm diameter × 70.55 mm height and ~72 g weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e DMEGC (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR 21700 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Chemistry:\u003c\/strong\u003e INR \/ Li-ion (Lithium Nickel Manganese Cobalt Oxide)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Terminal:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e None (Unprotected industrial bare cell; requires compatible BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V - 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd of Charge Cycle Voltage:\u003c\/strong\u003e 4.20V ± 0.05V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.50V (Do not discharge below 2.5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Continuous Discharge Current:\u003c\/strong\u003e 15A continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21.3 mm × Height: 70.55 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 72 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), electric scooters, cordless power tools, high-lumen LED flashlights, portable power banks, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDMEGC INR 21700 5000mAh 15A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable Light \u0026amp; Device Packs:\u003c\/strong\u003e Ideal for high-lumen multi-cell torches, camping lanterns, and small electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Compact Energy Modules:\u003c\/strong\u003e Perfect for small portable power banks, robotics, and auxiliary power supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Rebuilds:\u003c\/strong\u003e Sized for assembling and refurbishing standard 36V\/48V light electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 15A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A DMEGC INR 21700 cells with authentic 5000mAh capacity and 15A continuous output\u003c\/li\u003e\n\u003cli\u003eHigh-energy-density chemistry with stable voltage retention and long cycle life\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for e-bike mechanics, tool rebuilders, and DIY pack fabricators demanding dependable 5000mAh capacity, steady 15A continuous discharge, and excellent cycle endurance for electric mobility, cordless tools, and custom energy assemblies.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted DMEGC performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS DMEGC INR21700-50E 5000MAH  BATTERY","offer_id":46163650478243,"sku":"INR21700-50E-5000MAH-1PCS","price":18.77,"currency_code":"USD","in_stock":true},{"title":"10PCS DMEGC INR21700-50E 5000MAH  BATTERY","offer_id":46163650511011,"sku":"INR21700-50E-5000MAH-10PCS","price":82.56,"currency_code":"USD","in_stock":true},{"title":"20PCS DMEGC INR21700-50E 5000MAH  BATTERY","offer_id":46163650543779,"sku":"INR21700-50E-5000MAH-20PCS","price":153.43,"currency_code":"USD","in_stock":true},{"title":"50PCS DMEGC INR21700-50E 5000MAH  BATTERY","offer_id":46163650576547,"sku":"INR21700-50E-5000MAH-50PCS","price":366.06,"currency_code":"USD","in_stock":true},{"title":"100PCS DMEGC INR21700-50E 5000MAH  BATTERY","offer_id":46163650609315,"sku":"INR21700-50E-5000MAH-100PCS","price":720.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_499e31d5-b9af-44e5-8741-f03eade94ad7.png?v=1790853236"},{"product_id":"eve-inr21700-50pl-5000mah-125a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"EVE INR21700-50PL 5000mAh 125A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"http:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine EVE INR21700-50PL tabless ultra-power 5000mAh 125A continuous lithium-ion cells for extreme-performance power tools, high-speed electric motorcycles, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg alt=\"DXF global warehouse delivery network\" cke-id=\"img46\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" style=\"width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eEVE INR21700-50PL 5000mAh 125A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is a flagship tabless ultra-high-drain cylindrical power cell engineered by EVE Energy and supplied by DXF POWER with strict quality grading. Designed for the most demanding power-dense applications on the planet, this flat-top bare cell combines an enormous 5000mAh nominal capacity on a 3.6V nominal platform with a groundbreaking 125A continuous discharge capability. Leveraging next-generation tabless electrode architecture to achieve microscopic internal resistance and virtually eliminate thermal concentration, the EVE 50PL maintains outstanding voltage output and cool operating temperatures under sustained extreme current draw. It is the definitive power choice for heavy-duty commercial tools, electric racing bikes, high-output marine drives, and custom DIY high-power battery packs.\u003c\/p\u003e\n\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\" title=\"Watch DXF Batteries in Action\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eGenuine EVE INR21700-50PL Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical power cell manufactured by tier-one global leader EVE Energy\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMassive 5000mAh Capacity:\u003c\/strong\u003e High-density 5000mAh capacity provides exceptional runtime alongside extreme current delivery\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBreakthrough 125A Continuous Discharge:\u003c\/strong\u003e Industry-leading 125A continuous discharge current capability for maximum-wattage drive systems\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eNext-Gen Tabless Architecture:\u003c\/strong\u003e Advanced current-collector design delivers ultra-low internal impedance and superior heat dissipation\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFlat Discharge Voltage Curve:\u003c\/strong\u003e Retains high operating voltage under heavy loads, minimizing voltage sag and maximizing useful work output\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Standard dimensions of 21.15 mm diameter × 70.15 mm height and ~72 g weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for prototype builds, tool conversions, or volume pack assembly\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e EVE (EVE Energy Co., Ltd. \/ Supplied by DXF POWER)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-50PL (50PL \/ INR21700\/50PL)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCell Chemistry:\u003c\/strong\u003e Lithium-Nickel-Manganese-Cobalt (INR)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eProtective Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible high-current BMS \/ protection circuit)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eNominal \/ Max Capacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCharging Voltage:\u003c\/strong\u003e 4.20V\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.50V (discharge not deeper than 2.5V)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Current:\u003c\/strong\u003e 125A continuous\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eRechargeable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21.15 mm × Height: 70.15 mm\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 72 g\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Extreme-duty cordless power tools, electric racing motorcycles, high-power electric bicycles (e-bikes), electric hydrofoils, high-rate robotics, and custom DIY high-power battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eEVE INR21700-50PL 5000mAh 125A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\t\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\t\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e10 PCS – High-Power Tool Modules:\u003c\/strong\u003e Ideal for building heavy-duty 5-cell \/ 10-cell 18V-20V cordless power tool packs\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Output Mobile Modules:\u003c\/strong\u003e Perfect for 36V\/40V lawn mowers, industrial power equipment, and robotics\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Motorcycle Battery Packs:\u003c\/strong\u003e Optimized quantity for assembling high-current 48V\/60V\/72V electric vehicle packs\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Assembly Bulk Set:\u003c\/strong\u003e Best value for workshops, battery rebuilders, and custom pack manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\t\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\t\u003cli\u003eNever exceed the maximum continuous discharge current of 125A.\u003c\/li\u003e\n\t\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\t\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\t\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\t\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\t\u003cli\u003eWhen building multi-cell packs, always integrate a quality high-current Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eGenuine Grade-A EVE INR21700-50PL cells with authentic 5000mAh capacity and 125A continuous output\u003c\/li\u003e\n\t\u003cli\u003eNext-generation tabless INR chemistry with microscopic internal impedance and extreme heat tolerance\u003c\/li\u003e\n\t\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\t\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\t\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\n\u003cp\u003eEngineered for power tool rebuilders, EV mechanics, and DIY pack fabricators demanding extreme continuous discharge up to 125A, massive 5000mAh capacity, and ultra-low internal resistance for heavy-duty tools, high-speed electric mobility, and custom energy modules.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted EVE performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"http:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"DXF POWER","offers":[{"title":"1PCS EVE INR21700-50PL 5000mAh BATTERY","offer_id":46164978958499,"sku":"INR21700-50PL-5000MAH-1PCS","price":24.94,"currency_code":"USD","in_stock":true},{"title":"10PCS EVE INR21700-50PL 5000mAh BATTERY","offer_id":46164978991267,"sku":"INR21700-50PL-5000MAH-10PCS","price":89.55,"currency_code":"USD","in_stock":true},{"title":"20PCS EVE INR21700-50PL 5000mAh BATTERY","offer_id":46164979024035,"sku":"INR21700-50PL-5000MAH-20PCS","price":161.34,"currency_code":"USD","in_stock":true},{"title":"50PCS EVE INR21700-50PL 5000mAh BATTERY","offer_id":46164979056803,"sku":"INR21700-50PL-5000MAH-100PCS","price":376.77,"currency_code":"USD","in_stock":true},{"title":"100PCS EVE INR21700-50PL 5000mAh BATTERY","offer_id":46164979089571,"sku":"INR21700-50PL-5000MAH-50PCS","price":735.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_9d3d7cb8-0516-4f30-ae40-0b8c82a055ce.png?v=1790827167"},{"product_id":"eve-inr21700-50e-5000mah-15a-li-ion-battery-for-e-bikes-scooters-diy-battery-packs-1-100-pcs","title":"EVE INR21700-50E 5000mAh 15A Li-ion Battery for E-Bikes, Scooters \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine EVE INR21700-50E high-energy 5000mAh 15A continuous lithium-ion cells for electric bicycles, e-scooters, motorcycles, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVE INR21700-50E 5000mAh 15A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is an exceptional high-energy-density cylindrical bare cell manufactured by EVE Energy and supplied by DXF POWER with strict quality grading. Optimized for extended-range light electric vehicles and high-capacity energy storage, this flat-top bare cell delivers a robust 5000mAh (5.0Ah \/ 18.25Wh) nominal capacity on a 3.65V nominal platform with a dependable 15A maximum continuous discharge rating. Boasting an impressive gravimetric energy density of 257 Wh\/kg, a nickel-based cathode paired with a graphite anode, and proven thermal stability, the EVE 50E is the preferred industry standard for electric bicycles, electric scooters, lightweight motorcycles, backup power banks, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine EVE INR21700-50E Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical bare cell manufactured by global tier-one battery producer EVE Energy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000mAh High-Density Capacity:\u003c\/strong\u003e Full 5.0Ah (18.25Wh) capacity delivers maximum endurance and range for light electric vehicles and portable equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15A Continuous Discharge:\u003c\/strong\u003e Dependable 15A continuous discharge current capability supports steady power demands without excessive heat generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Energy Density (257 Wh\/kg):\u003c\/strong\u003e Advanced nickel-based cathode and graphite anode chemistry ensures high volumetric efficiency and lightweight battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable 3.65V Platform:\u003c\/strong\u003e Reliable CC-CV charging profile up to 4.20V with standard 2.50V discharge cut-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Cylindrical dimensions of ~21.2 mm diameter × ~70.5 mm length and ~71 g weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e EVE Energy (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-50E (50E)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 5000mAh (5.0Ah)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Capacity:\u003c\/strong\u003e 18.25 Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.65V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Voltage:\u003c\/strong\u003e 4.20V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarging Cut-Off Voltage:\u003c\/strong\u003e 2.50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Continuous Discharge Current:\u003c\/strong\u003e 15A continuous (approx. 3C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravimetric Energy Density:\u003c\/strong\u003e Approx. 257 Wh\/kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravimetric Power Density:\u003c\/strong\u003e Approx. 771 W\/kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Electrode (Cathode):\u003c\/strong\u003e Nickel-based (Ni-based)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNegative Electrode (Anode):\u003c\/strong\u003e Graphite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Cylindrical 21700 (Volume: approx. 24.93 cm³)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 71 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), electric scooters, light electric motorcycles, portable power stations, energy storage systems, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEVE INR21700-50E 5000mAh 15A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Compact Device Modules:\u003c\/strong\u003e Ideal for portable power banks, camping gear, and handheld equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Capacity Modules:\u003c\/strong\u003e Perfect for small energy storage systems, robotics, and auxiliary power units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Optimized quantity for assembling long-range 36V\/48V light electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Assembly Bulk Set:\u003c\/strong\u003e Best value for workshops, battery rebuilders, and custom pack manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 15A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A EVE INR21700-50E cells with authentic 5000mAh capacity and 15A continuous output\u003c\/li\u003e\n\u003cli\u003eHigh-energy-density chemistry (257 Wh\/kg) with stable voltage retention and excellent cycle endurance\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for light electric vehicle builders, scooter mechanics, and DIY pack fabricators demanding maximum 5000mAh capacity, 257 Wh\/kg energy density, and reliable 15A continuous discharge for extended range and long cycle life.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted EVE performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS EVE INR21700-50E 5000MAH  BATTERY","offer_id":46166058238115,"sku":"INR21700-50E-5000MAH-1PCS","price":23.27,"currency_code":"USD","in_stock":true},{"title":"10PCS EVE INR21700-50E 5000MAH  BATTERY","offer_id":46166058270883,"sku":"INR21700-50E-5000MAH-10PCS","price":72.82,"currency_code":"USD","in_stock":true},{"title":"20PCS EVE INR21700-50E 5000MAH  BATTERY","offer_id":46166058303651,"sku":"INR21700-50E-5000MAH-20PCS","price":127.88,"currency_code":"USD","in_stock":true},{"title":"50PCS EVE INR21700-50E 5000MAH  BATTERY","offer_id":46166058336419,"sku":"INR21700-50E-5000MAH-50PCS","price":293.05,"currency_code":"USD","in_stock":true},{"title":"100PCS EVE INR21700-50E 5000MAH  BATTERY","offer_id":46166058369187,"sku":"INR21700-50E-5000MAH-100PCS","price":568.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/2_ec82d911-46cb-4e58-929b-789c71bf2b62.png?v=1790827622"},{"product_id":"eve-inr21700-40pl-4000mah-70a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"EVE INR21700-40PL 4000mAh 70A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine EVE INR21700-40PL extreme-power 4000mAh continuous discharge up to 70A lithium-ion cells for heavy-duty cordless power tools, electric racing mobility, and custom DIY high-power battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVE INR21700-40PL 4000mAh 70A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is an ultra-high-drain cylindrical power cell manufactured by EVE Energy and supplied by DXF POWER with strict quality grading. Engineered specifically for high-load industrial machinery and extreme-rate battery pack construction, this flat-top bare cell delivers 4000mAh nominal capacity on a 3.6V nominal platform with an industry-leading continuous discharge capability of up to 70A. Featuring cutting-edge electrode formulation, ultra-low internal impedance, and exceptional heat tolerance, the EVE 40PL delivers sustained current under demanding loads with minimal voltage depression, making it the premier choice for heavy-duty cordless tools, electric racing bikes, electric watercraft, and custom DIY high-output power modules.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine EVE INR21700-40PL Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell engineered by EVE Energy for extreme-output applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000mAh High Capacity:\u003c\/strong\u003e Generous 4000mAh capacity provides an ideal balance between sustained high energy density and extreme power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme 70A Continuous Discharge:\u003c\/strong\u003e Delivers continuous discharge current up to 70A, built to handle heavy motor starts and high-draw demands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Resistance:\u003c\/strong\u003e Advanced tab and electrode construction minimizes thermal rise and preserves voltage under heavy loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.5C–1C Flexible Charging:\u003c\/strong\u003e Supports reliable CC-CV charging from 2.0A (0.5C) up to 4.0A (1C) for efficient recharges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Format:\u003c\/strong\u003e Dimensions of 21.1 mm diameter × 70.1 mm length and ~67 g weight, ideal for precision spot welding and pack assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual tool rebuilds or volume battery pack production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e EVE (EVE Energy Co., Ltd. \/ Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-40PL (40PL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Chemistry:\u003c\/strong\u003e Lithium-Nickel-Manganese-Cobalt (INR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Electronics:\u003c\/strong\u003e No (Unprotected industrial bare cell; requires compatible high-drain BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 4000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Voltage (Charge):\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Voltage (Cut-Off):\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Current:\u003c\/strong\u003e Up to 70A continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Current:\u003c\/strong\u003e 0.5C to 1C (approx. 2A to 4A CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21.1 mm × Length: 70.1 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 67 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Extreme-power cordless power tools, electric racing motorcycles, high-wattage e-bikes, electric skateboards, lawn and garden equipment, and custom DIY high-power battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEVE INR21700-40PL 4000mAh 70A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – High-Power Tool Modules:\u003c\/strong\u003e Ideal for building heavy-duty 5-cell \/ 10-cell 18V-20V cordless power tool packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Output Mobile Modules:\u003c\/strong\u003e Perfect for 36V\/40V lawn mowers, industrial power equipment, and robotics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Motorcycle Battery Packs:\u003c\/strong\u003e Optimized quantity for assembling high-current 48V\/60V\/72V electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Assembly Bulk Set:\u003c\/strong\u003e Best value for workshops, battery rebuilders, and custom pack manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current rating of 70A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality high-current Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A EVE INR21700-40PL cells with authentic 4000mAh capacity and up to 70A continuous output\u003c\/li\u003e\n\u003cli\u003eExtreme-rate INR chemistry with ultra-low internal impedance and robust thermal stability\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for power tool rebuilders, EV mechanics, and DIY pack fabricators demanding extreme continuous discharge up to 70A, 4000mAh capacity, and ultra-low internal resistance for heavy-duty tools, high-speed electric mobility, and custom energy modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted EVE performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS INR21700-40PL-4000MAH BATTERY","offer_id":46166085533859,"sku":"INR21700-40PL-4000mAh-1PCS","price":23.85,"currency_code":"USD","in_stock":true},{"title":"10PCS INR21700-40PL-4000MAH BATTERY","offer_id":46166085566627,"sku":"INR21700-40PL-4000mAh-10PCS","price":78.6,"currency_code":"USD","in_stock":true},{"title":"20PCS INR21700-40PL-4000MAH BATTERY","offer_id":46166085599395,"sku":"INR21700-40PL-4000mAh-20PCS","price":139.44,"currency_code":"USD","in_stock":true},{"title":"50PCS INR21700-40PL-4000MAH BATTERY","offer_id":46166085632163,"sku":"INR21700-40PL-4000mAh-50PCS","price":321.95,"currency_code":"USD","in_stock":true},{"title":"100PCS INR21700-40PL-4000MAH BATTERY","offer_id":46166085664931,"sku":"INR21700-40PL-4000mAh-100PCS","price":626.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/2_a33f01c7-dc98-4ae2-963e-0959c9f326e1.png?v=1790826703"},{"product_id":"eve-inr21700-40p-4000mah-40a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"EVE INR21700-40P 4000mAh 40A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine EVE INR21700-40P ultra-high-drain 4000mAh 40A continuous lithium-ion cells for heavy-duty cordless power tools, high-power electric bicycles, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVE INR21700-40P 4000mAh 40A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is an industrial powerhouse cell manufactured by EVE Energy and supplied by DXF POWER with strict quality grading. Built for extreme current demands, this flat-top bare cell delivers a generous 4000mAh nominal capacity on a 3.6V nominal platform with a formidable 40A (10C) continuous discharge rating and an ultra-low internal resistance of just 9.1 mΩ. Supporting high-speed charging up to 6A, the EVE 40P minimizes voltage sag under aggressive power loads while maintaining superior thermal stability, making it one of the most capable 21700 bare cells on the market for cordless heavy-duty power tools, high-performance electric motorcycles, e-bikes, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine EVE INR21700-40P Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical bare cell manufactured by global lithium-ion leader EVE Energy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000mAh High-Drain Capacity:\u003c\/strong\u003e 4000mAh nominal capacity provides an exceptional balance of substantial runtime and massive current output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40A Continuous Discharge (10C):\u003c\/strong\u003e Massive 40A continuous discharge rating delivers uninterrupted power for heavy motor drives and high-wattage equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Resistance (9.1 mΩ):\u003c\/strong\u003e Minimal internal impedance ensures exceptional voltage retention under sustained maximum loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid 6A Fast Charging:\u003c\/strong\u003e Supports up to 6A maximum charging current for fast turnaround times in high-demand environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium INR Chemistry:\u003c\/strong\u003e Lithium-Nickel-Manganese-Cobalt chemistry engineered for thermal resilience and cycle longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Dimensions of 21.2 mm diameter × 70.0 mm length and ~68 g weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual tool repairs or volume battery assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e EVE (EVE Energy Co., Ltd. \/ Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-40P (40P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Chemistry:\u003c\/strong\u003e Lithium-Nickel-Manganese-Cobalt (INR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 4000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Voltage:\u003c\/strong\u003e 4.20V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Current:\u003c\/strong\u003e 40A continuous (10C rate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Resistance:\u003c\/strong\u003e Approx. 9.1 mΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Charging Current:\u003c\/strong\u003e 6A (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21.2 mm × Length: 70.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 68 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Heavy-duty cordless power tools, electric motorcycles, high-power electric bicycles (e-bikes), electric skateboards, lawn and garden machinery, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEVE INR21700-40P 4000mAh 40A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – High-Power Tool Modules:\u003c\/strong\u003e Ideal for building heavy-duty 5-cell \/ 10-cell 18V-20V cordless power tool packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Output Mobile Modules:\u003c\/strong\u003e Perfect for 36V\/40V lawn mowers, industrial power equipment, and robotics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Motorcycle Battery Packs:\u003c\/strong\u003e Optimized quantity for assembling high-current 48V\/60V\/72V electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Assembly Bulk Set:\u003c\/strong\u003e Best value for workshops, battery rebuilders, and custom pack manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 40A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A EVE INR21700-40P cells with authentic 4000mAh capacity and 40A continuous output\u003c\/li\u003e\n\u003cli\u003eHigh-discharge INR chemistry with ultra-low 9.1 mΩ internal resistance and 6A rapid charging\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for power tool rebuilders, EV mechanics, and DIY pack fabricators demanding extreme 40A continuous discharge, 4000mAh capacity, and ultra-low internal resistance for heavy-duty tools, high-speed electric mobility, and custom energy modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted EVE performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS EVE INR21700-40P 4000mah BATTERY","offer_id":46167466868899,"sku":"INR21700-40P-4000mAh-1PCS","price":23.24,"currency_code":"USD","in_stock":true},{"title":"10PCS EVE INR21700-40P 4000mah BATTERY","offer_id":46167466901667,"sku":"INR21700-40P-4000mAh-10PCS","price":72.52,"currency_code":"USD","in_stock":true},{"title":"20PCS EVE INR21700-40P 4000mah BATTERY","offer_id":46167466934435,"sku":"INR21700-40P-4000mAh-20PCS","price":127.27,"currency_code":"USD","in_stock":true},{"title":"50PCS EVE INR21700-40P 4000mah BATTERY","offer_id":46167466967203,"sku":"INR21700-40P-4000mAh-50PCS","price":291.53,"currency_code":"USD","in_stock":true},{"title":"100PCS EVE INR21700-40P 4000mah BATTERY","offer_id":46167466999971,"sku":"INR21700-40P-4000mAh-100PCS","price":565.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_4c0e9fb9-0f0a-456d-b57f-fbf40cd2009c.png?v=1790826305"},{"product_id":"samsung-inr21700-58e-5500mah-11a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs-副本","title":"Samsung INR21700-48X 4800mAh 9.6A Li-ion Battery for E-Bikes, Flashlights \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR21700-48X ultra-long cycle life 4800mAh 3.64V lithium-ion cells for your electric mobility, high-lumen flashlights, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSamsung INR21700-48X 4800mAh 9.6A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an ultra-long cycle life 21700 cylindrical power cell engineered by Samsung SDI and supplied by DXF POWER with strict quality grading. Designed for applications requiring unprecedented longevity, this flat-top unprotected bare cell delivers a 4800mAh typical capacity (4650mAh minimum) on a 3.64V nominal platform with a dependable 9.6A (2C) continuous discharge rating. Featuring an extraordinary \u003cstrong\u003e3,000+ cycle life\u003c\/strong\u003e (retaining ≥70% capacity after 3,000 full cycles), the 48X is the ultimate long-term investment for electric bicycles (e-bikes), electric scooters, solar energy storage systems, robotics, LED flashlights, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 48X Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell engineered by Samsung SDI for exceptional durability and long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnmatched 3,000+ Cycle Life:\u003c\/strong\u003e Retains ≥70% of initial capacity even after 3,000 charge\/discharge cycles under recommended cycling conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4800mAh High Capacity:\u003c\/strong\u003e Typical 4800mAh (4650mAh minimum) capacity ensures prolonged runtime and consistent energy output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9.6A Continuous Discharge:\u003c\/strong\u003e Delivers reliable 9.6A (2C) continuous current output for electric mobility and multi-cell pack applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Bare Cell Format:\u003c\/strong\u003e Dimensions of Φ 21.15 ± 0.20 mm diameter × 70.65 ± 0.15 mm height with flat top terminals, optimized for spot welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCC-CV Charging Support:\u003c\/strong\u003e Charges reliably to 4.20V (or 4.10V to achieve maximum 3,000+ cycle life) with 0.33C (1,584mA) standard charging current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for single cell replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700-48X (48X, tube cell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e None (Unprotected industrial bare cell; requires compatible device-level or pack-level protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Discharge Capacity:\u003c\/strong\u003e 4800mAh (at 0.2C \/ 960mA discharge to 2.5V @ RT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Discharge Capacity:\u003c\/strong\u003e 4650mAh (1C = 4,800mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e Typ. 3.64V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charging Voltage:\u003c\/strong\u003e 4.2V (4.10V recommended for maximum 3,000-cycle life)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e CC-CV (constant voltage with limited current)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Current Rate:\u003c\/strong\u003e 0.33C (1,584mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-off Voltage:\u003c\/strong\u003e 2.5V (3.0V recommended for cycle life)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Current:\u003c\/strong\u003e 9.6A (2C) continuous \/ 4.8A (1C) rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e Capacity ≥ 70% after 3,000 cycles (Charge: 1.0C \/ 4,800mA to 4.10V; Discharge: 1.0C \/ 4,800mA to 3.0V @ RT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: 0°C to 50°C; Discharge: -30°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e 1 year: -20°C to 25°C; 3 months: -40°C to 45°C; 1 month: -40°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: Φ 21.15 ± 0.20 mm × Height: 70.65 ± 0.15 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e 68.0 g ± 1.5 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric bicycles (e-bikes), electric scooters, high-lumen flashlights, robotics, solar energy storage systems, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung INR21700-48X 4800mAh 9.6A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, tool testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Small Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding portable power banks and handheld devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Auxiliary \u0026amp; Mobility Modules:\u003c\/strong\u003e Ideal for 24V\/36V auxiliary modules, robotics, and compact DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – Long-Life E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Tailored for 3,000-cycle high-end 36V\/48V electric bike packs and solar storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Pack Assembly:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V (or 4.10V for extended 3,000-cycle longevity).\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.20V per cell or discharge below 2.5V per cell.\u003c\/li\u003e\n\u003cli\u003eCharge within 0°C to 50°C; discharge within -30°C to 60°C.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; special insulated battery cases are recommended.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 48X cells with industry-benchmark 3,000-cycle longevity and 4800mAh capacity\u003c\/li\u003e\n\u003cli\u003eTested continuous discharge performance and superior thermal endurance\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for e-mobility builders, solar storage developers, DIY pack fabricators, and torch enthusiasts demanding reliable 4800mAh capacity, 9.6A continuous output, and extraordinary 3,000-cycle life for electric bikes, e-scooters, robotics, and custom energy storage modules.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 21700 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Samsung INR21700-48X 4800mAh   BATTERY","offer_id":50540660326563,"sku":"INR21700-48X -4800mAh -1PCS","price":23.91,"currency_code":"USD","in_stock":true},{"title":"10PCS New Samsung INR21700-48X 4800mAh   BATTERY","offer_id":50540660359331,"sku":"INR21700-48X -4800mAh -10PCS","price":79.21,"currency_code":"USD","in_stock":true},{"title":"20PCS New Samsung INR21700-48X 4800mAh   BATTERY","offer_id":50540660392099,"sku":"INR21700-48X -4800mAh -20PCS","price":140.66,"currency_code":"USD","in_stock":true},{"title":"50PCS New Samsung INR21700-48X 4800mAh   BATTERY","offer_id":50540660424867,"sku":"INR21700-48X -4800mAh -50PCS","price":324.99,"currency_code":"USD","in_stock":true},{"title":"100PCS New Samsung INR21700-48X 4800mAh   BATTERY","offer_id":50540660457635,"sku":"INR21700-48X -4800mAh -100PCS","price":632.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/4_ba67b40b-3de0-4c0b-8493-b74146a35fde.png?v=1790646947"},{"product_id":"panasonic-ncr21700t-4800mah-12a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"Panasonic NCR21700T 4800mAh 12A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Panasonic NCR21700T high-capacity 4800mAh 12A continuous high-drain 21700 lithium-ion cells for power tools, electric bicycles, robotics, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ePanasonic NCR21700T 4800mAh 12A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is a high-performance, high-capacity cylindrical cell manufactured by Panasonic and supplied by DXF POWER with strict quality grading. Built on the advanced 21700 cell platform, this flat-top bare cell delivers a substantial 4800mAh (4.8Ah) standard capacity on a 3.7V nominal platform with a dependable 12A maximum continuous discharge rating and an ultra-low internal resistance of ≤14 mΩ. Engineered for both high-drain industrial loads and long-lasting runtime, the NCR21700T provides exceptional cycle endurance (\u0026gt;80% capacity retention after 500 cycles), making it the premier choice for power tools, electric bicycles, RC hobbies, drones, robotics, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Panasonic NCR21700T Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell engineered for high-drain performance and sustained reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4800mAh High Capacity:\u003c\/strong\u003e Massive 4.8Ah capacity provides extended operating endurance for power-demanding tools and mobility packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12A Continuous Discharge Rating:\u003c\/strong\u003e Sustained 12A continuous output capability delivers solid, reliable power without thermal throttling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Resistance (≤14 mΩ):\u003c\/strong\u003e Minimizes internal heat generation, ensures excellent voltage retention under load, and optimizes energy transfer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 3.7V Platform:\u003c\/strong\u003e Operates efficiently across 4.2V max charge to 2.5V discharge cut-off with standard CC-CV charging profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Cycle Life:\u003c\/strong\u003e Retains over 80% capacity (\u0026gt;3.84Ah) after 500 full charge-discharge cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e 21.0 mm diameter × 70.0 mm length and ~68 g weight, ideal for precision spot welding and multi-cell pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for maintenance or volume pack manufacturing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Panasonic (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e NCR21700T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Capacity:\u003c\/strong\u003e 4800mAh (4.8Ah)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Voltage:\u003c\/strong\u003e 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 12A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charge Voltage:\u003c\/strong\u003e 4.2V ± 0.05V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Resistance:\u003c\/strong\u003e ≤14 mΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charge Current:\u003c\/strong\u003e 1.2A – 2.0A (CCCV, 4.20V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e CC-CV (Constant Current \/ Constant Voltage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e 500 cycles (\u0026gt;3.84Ah \/ \u0026gt;80% capacity retention)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 45°C (Charge) \/ -20°C to 60°C (Discharge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e 0°C to 45°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21.0 ± 0.5 mm × Length: 70.0 ± 0.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 68.0 ± 0.5 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Power tools, electric bicycles (e-bikes), R\/C hobby, drones, robots, high-lumen flashlights, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePanasonic NCR21700T 4800mAh 12A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable Equipment Modules:\u003c\/strong\u003e Ideal for multi-cell lanterns, robot sub-assemblies, and drone field gear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Power Mobile Modules:\u003c\/strong\u003e Perfect for compact 18V\/24V power tool packs and mobile power stations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Optimized quantity for assembling robust 36V\/48V light electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Assembly Bulk Set:\u003c\/strong\u003e Best value for workshops, battery rebuilders, and custom pack manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 12A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Panasonic NCR21700T cells with authentic 4800mAh capacity and 12A continuous output\u003c\/li\u003e\n\u003cli\u003eUltra-low ≤14 mΩ internal resistance for superior high-drain power delivery and minimal thermal rise\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for e-bike builders, drone and robotics enthusiasts, and DIY pack fabricators demanding high 4800mAh capacity and steady 12A continuous discharge with ultra-low internal resistance for power tools, electric mobility, and custom energy modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Panasonic performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS Panasonic NCR21700T 4800mAh BATTERY","offer_id":67582483398819,"sku":"MCR21700T-4800mAh-1PCS","price":23.64,"currency_code":"USD","in_stock":true},{"title":"10PCS Panasonic NCR21700T 4800mAh BATTERY","offer_id":67582483431587,"sku":"MCR21700T-4800mAh-10PCS","price":76.47,"currency_code":"USD","in_stock":true},{"title":"20PCS Panasonic NCR21700T 4800mAh BATTERY","offer_id":67582483464355,"sku":"MCR21700T-4800mAh-20PCS","price":135.18,"currency_code":"USD","in_stock":true},{"title":"50PCS Panasonic NCR21700T 4800mAh BATTERY","offer_id":67582483497123,"sku":"MCR21700T-4800mAh-50PCS","price":311.3,"currency_code":"USD","in_stock":true},{"title":"100PCS Panasonic NCR21700T 4800mAh BATTERY","offer_id":67582483529891,"sku":"MCR21700T-4800mAh-100PCS","price":604.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_f5b12baa-b2ad-4a7b-affe-92421a7cc482.png?v=1790736086"},{"product_id":"molicel-inr21700-p42a-4200mah-45a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"Molicel INR21700-P42A 4200mAh 45A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Molicel INR21700-P42A ultra-high-drain 4200mAh 45A continuous lithium-ion cells for heavy-duty power tools, electric bicycles, racing motorsports, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMolicel INR21700-P42A 4200mAh 45A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is widely celebrated as one of the most reliable and capable ultra-high-drain 21700 cylindrical cells ever engineered, manufactured by E-One Moli Energy (Molicel) and supplied by DXF POWER with strict quality grading. Designed for demanding applications requiring massive power delivery and exceptional thermal endurance, this flat-top bare cell delivers 4200mAh nominal capacity on a 3.6V nominal platform with an extraordinary 45A constant continuous discharge capability and low internal resistance. Known for its perfect balance of high capacity, continuous current handling, and long cycle life, the P42A is the industry standard for electric bikes, high-performance battery packs, cordless power tools, robotics, and custom DIY battery builds.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Molicel INR21700-P42A Cell:\u003c\/strong\u003e Authentic Grade-A 21700 cylindrical cell engineered by E-One Moli Energy for extreme high-drain reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4200mAh High Capacity:\u003c\/strong\u003e Large 4200mAh nominal capacity provides substantial runtime while maintaining high-current discharge stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e45A Constant Continuous Discharge:\u003c\/strong\u003e Massive 45A continuous discharge rating delivers uncompromising power output without thermal throttling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Internal Resistance:\u003c\/strong\u003e Minimizes operating heat buildup, maximizes power transfer efficiency, and maintains high voltage under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutstanding Thermal Stability:\u003c\/strong\u003e Engineered to withstand sustained heavy current draws with superior thermal control and longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Standard dimensions of 21.4 mm diameter × 70.2 mm length and ~67 g weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Molicel (E-One Moli Energy \/ Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR-21700-P42A (P42A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (INR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 4200mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charge Voltage:\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Rating:\u003c\/strong\u003e 45A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: approx. 21.4 mm × Length: approx. 70.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 67.0 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e High-performance battery packs, electric bikes \u0026amp; scooters (e-bikes), heavy-duty power tools, energy storage systems, racing \u0026amp; motorsports, and custom DIY lithium projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMolicel INR21700-P42A 4200mAh 45A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable High-Drain Modules:\u003c\/strong\u003e Ideal for high-output dive lights, drone gear, and compact robotics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Power Mobile Modules:\u003c\/strong\u003e Perfect for 18V\/24V cordless power tool battery rebuilds and portable power modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Optimized quantity for assembling high-current 36V\/48V light electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Assembly Bulk Set:\u003c\/strong\u003e Best value for workshops, battery rebuilders, and custom pack manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 45A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Molicel INR21700-P42A cells with authentic 4200mAh capacity and 45A continuous output\u003c\/li\u003e\n\u003cli\u003eIndustry-standard high-drain chemistry with proven thermal stability and long cycle life\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for e-bike builders, power tool rebuilders, and DIY pack fabricators demanding authentic 45A continuous discharge, 4200mAh capacity, and robust thermal endurance for demanding electric mobility, heavy-duty cordless equipment, and custom energy modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Molicel performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS MolicelINR21700 P42A 4200mAh  BATTERY","offer_id":67582991270051,"sku":"INR21700-P42A-4200mAh-1PCS","price":25.49,"currency_code":"USD","in_stock":true},{"title":"10PCS MolicelINR21700 P42A 4200mAh  BATTERY","offer_id":67582991302819,"sku":"INR21700-P42A-4200mAh-10PCS","price":92.59,"currency_code":"USD","in_stock":true},{"title":"20PCS MolicelINR21700 P42A 4200mAh  BATTERY","offer_id":67582991335587,"sku":"INR21700-P42A-4200mAh-20PCS","price":172.29,"currency_code":"USD","in_stock":true},{"title":"50PCS  MolicelINR21700 P42A 4200mAh  BATTERY","offer_id":67582991368355,"sku":"INR21700-P42A-4200mAh-50PCS","price":404.08,"currency_code":"USD","in_stock":true},{"title":"100PCS  MolicelINR21700 P42A 4200mAh  BATTERY","offer_id":67582991401123,"sku":"INR21700-P42A-4200mAh-100PCS","price":790.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_ac4d2533-5967-4ec8-85cb-c13d45372127.png?v=1790750761"},{"product_id":"molicel-inr21700-p50b-5000mah-60a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"Molicel INR21700-P50B 5000mAh 60A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Molicel INR21700-P50B next-generation 5000mAh 60A continuous high-drain 21700 lithium-ion cells for heavy-duty power tools, electric hyper-bikes, racing drones, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMolicel INR21700-P50B 5000mAh 60A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is the revolutionary next-generation powerhouse cylindrical cell manufactured by E-One Moli Energy (Molicel) and supplied by DXF POWER with strict quality grading. Setting a new world standard for 21700 battery technology, this flat-top bare cell combines an enormous 5000mAh typical capacity (4850mAh minimum) with an incredible 60A maximum continuous discharge rating (with 80°C temperature cut-off) and an ultra-low internal resistance of ≤8 mΩ. Engineered for extreme power-density applications, the P50B supports rapid charging up to 25A, functions in temperatures from -40°C to 60°C, and delivers industry-leading voltage retention under extreme loads, making it the premier choice for hyper-performance electric bikes, high-drain cordless power tools, racing drones, eVTOL, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Molicel INR21700-P50B Cell:\u003c\/strong\u003e Next-generation Grade-A 21700 cell by E-One Moli Energy, combining massive capacity with unprecedented discharge capability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000mAh High Capacity:\u003c\/strong\u003e Full 5000mAh (5.0Ah typical, 4.85Ah minimum) capacity eliminates runtime trade-offs in high-drain setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60A Continuous Discharge Capability:\u003c\/strong\u003e Massive 60A continuous discharge rating delivers uncompromising power output under heavy industrial loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Resistance (≤8 mΩ):\u003c\/strong\u003e Measured by AC 1kHz at shipping; ensures minimal internal heat buildup and maximum voltage retention under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Fast Charging (Up to 25A):\u003c\/strong\u003e Supports 5.0A rated charging in 1.5 hours and up to 25A maximum continuous charge current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Temperature Resilience:\u003c\/strong\u003e Reliable discharging performance from -40°C to 60°C (up to 80°C surface temperature limit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e 21.55 mm max diameter × 70.15 mm max length and ~70 g max weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Molicel (E-One Moli Energy \/ Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR-21700-P50B (P50B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (INR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal \/ Typical Capacity:\u003c\/strong\u003e 5000mAh (5.0Ah typical \/ 4850mAh minimum at 23°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd of Charge Voltage:\u003c\/strong\u003e 4.20V ± 0.05V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd of Discharge Voltage:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 60A (with 80°C cell surface cut-off)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Charge Current:\u003c\/strong\u003e 5.0A (constant 4.2V for 1.5h or 50mA taper current at 23°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Charge Current:\u003c\/strong\u003e 25A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Resistance:\u003c\/strong\u003e ≤8 mΩ (AC 1kHz at shipping)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: -20°C to 60°C \/ Discharge: -40°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Surface Temperature Limit:\u003c\/strong\u003e Charge: -20°C to 70°C \/ Discharge: -40°C to 80°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Voltage:\u003c\/strong\u003e ≥3.45V (approx. 30% SOC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Max. Diameter: 21.55 mm × Max. Length: 70.15 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Max. 70.0 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e High-performance electric bikes \u0026amp; hyper-scooters (e-bikes), heavy-duty power tools, racing drones, eVTOL, energy storage systems, and custom DIY lithium battery projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMolicel INR21700-P50B 5000mAh 60A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable High-Drain Modules:\u003c\/strong\u003e Ideal for high-output dive lights, drone gear, and compact robotics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Power Mobile Modules:\u003c\/strong\u003e Perfect for 18V\/24V cordless power tool battery rebuilds and portable power modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Optimized quantity for assembling high-current 36V\/48V light electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Assembly Bulk Set:\u003c\/strong\u003e Best value for workshops, battery rebuilders, and custom pack manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 60A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Molicel INR21700-P50B cells with authentic 5000mAh capacity and 60A continuous output\u003c\/li\u003e\n\u003cli\u003eIndustry-leading ≤8 mΩ internal resistance and 25A rapid charge capability\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for e-bike builders, racing drone enthusiasts, and DIY pack fabricators demanding the ultimate 5000mAh capacity and 60A continuous discharge with ultra-low ≤8 mΩ internal resistance for next-generation electric mobility, heavy-duty cordless equipment, and custom energy modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Molicel performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS Molicel INR21700-P50B 5000mAh  BATTERY","offer_id":67583108448419,"sku":"INR21700-P50B-5000mAh-1PCS","price":29.66,"currency_code":"USD","in_stock":true},{"title":"10PCS Molicel INR21700-P50B 5000mAh  BATTERY","offer_id":67583108481187,"sku":"INR21700-P50B-5000mAh-10PCS","price":136.7,"currency_code":"USD","in_stock":true},{"title":"20PCS Molicel INR21700-P50B 5000mAh  BATTERY","offer_id":67583108513955,"sku":"INR21700-P50B-5000mAh-20PCS","price":255.64,"currency_code":"USD","in_stock":true},{"title":"50PCS Molicel INR21700-P50B 5000mAh  BATTERY","offer_id":67583108546723,"sku":"INR21700-P50B-5000mAh-50PCS","price":612.45,"currency_code":"USD","in_stock":true},{"title":"100PCS Molicel INR21700-P50B 5000mAh  BATTERY","offer_id":67583108579491,"sku":"INR21700-P50B-5000mAh-100PCS","price":1207.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/5_11412448-cc0e-40ac-acd9-d8d0a8aee723.png?v=1790751393"},{"product_id":"molicel-inr21700-p45b-4500mah-45a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"Molicel INR21700-P45B 4500mAh 45A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Molicel INR21700-P45B next-generation 4500mAh 45A continuous ultra-high-drain 21700 lithium-ion cells for power tools, electric bicycles, eVTOL, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMolicel INR21700-P45B 4500mAh 45A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is an industry-redefining next-generation power cell manufactured by E-One Moli Energy (Molicel) and supplied by DXF POWER with strict quality grading. Featuring 7% higher capacity and 22% lower DC resistance than the renowned P42A, this flat-top bare cell delivers 4500mAh typical capacity (16.2Wh) on a 3.6V nominal platform with an impressive 45A maximum continuous discharge rating (up to 120W continuous per cell) and an ultra-low typical impedance of only 7 mΩ (AC 1kHz). With enhanced 3C \/ 13.5A fast charging capability, superior in-cell thermal control, and a wide operating temperature range from -40°C to 60°C, the P45B is the premier choice for hyper-performance electric vehicles, eVTOL aircraft, micro-mobility, heavy-duty cordless power tools, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Molicel INR21700-P45B Cell:\u003c\/strong\u003e Next-generation Grade-A 21700 cell by E-One Moli Energy featuring 22% lower DC internal resistance and 7% higher capacity than P42A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4500mAh High Capacity:\u003c\/strong\u003e Delivers 4500mAh typical capacity (16.2Wh) with high energy density (643 Wh\/L, 242 Wh\/kg) for extended operational runtimes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e45A Constant Continuous Discharge:\u003c\/strong\u003e Unyielding 45A continuous discharge performance delivering up to 120W sustained power per cell without thermal throttling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Impedance (≤13.8 mΩ DCIR):\u003c\/strong\u003e Typical AC impedance of 7 mΩ at 1kHz; ensures minimal heat generation and maximum voltage retention under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior 3C Fast Charging:\u003c\/strong\u003e High-speed 13.5A continuous charging capability allows a standard full recharge in just 1.5 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Thermal Management:\u003c\/strong\u003e Advanced internal cell construction reduces core temperature variance by 3–4°C for enhanced longevity (500+ cycles at 80% retention)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e Max. 21.6 mm diameter × 70.2 mm height and ~69 g weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Molicel (E-One Moli Energy \/ Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR-21700-P45B (P45B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (INR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan Material:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Capacity:\u003c\/strong\u003e 4500mAh (16.2Wh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Charge Voltage:\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 45A (with 45°C cut-off, up to 120W continuous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge Current:\u003c\/strong\u003e 13.5A continuous charge (up to 3C rate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charging Time:\u003c\/strong\u003e 1.5 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Impedance (AC 1kHz, 30% SOC):\u003c\/strong\u003e 7 mΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Impedance (DC, 50% SOC):\u003c\/strong\u003e 15 mΩ (Max. DCIR ≤ 13.8 mΩ)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Density:\u003c\/strong\u003e 643 Wh\/L (Volumetric) \/ 242 Wh\/kg (Gravimetric)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: 0°C to 60°C \/ Discharge: -40°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e 500+ cycles at high-rate discharge (80% capacity retention)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Max. Diameter: 21.6 mm × Max. Height: 70.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Max. 69.0 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Electric vehicles (EV), eVTOL aircraft, micro-mobility, electric bikes \u0026amp; scooters (e-bikes), heavy-duty power tools, and custom DIY lithium projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMolicel INR21700-P45B 4500mAh 45A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable High-Drain Modules:\u003c\/strong\u003e Ideal for high-output dive lights, drone gear, and compact robotics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Power Mobile Modules:\u003c\/strong\u003e Perfect for 18V\/24V cordless power tool battery rebuilds and portable power modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Scooter Battery Packs:\u003c\/strong\u003e Optimized quantity for assembling high-current 36V\/48V light electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Volume Assembly Bulk Set:\u003c\/strong\u003e Best value for workshops, battery rebuilders, and custom pack manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 45A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Molicel INR21700-P45B cells with authentic 4500mAh capacity and 45A continuous output\u003c\/li\u003e\n\u003cli\u003eIndustry-leading 7 mΩ AC impedance and ultra-fast 13.5A (3C) charging capability\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for e-bike builders, eVTOL developers, power tool rebuilders, and DIY pack fabricators demanding high 4500mAh capacity and 45A continuous discharge with ultra-low internal resistance for next-generation electric mobility, heavy-duty cordless equipment, and custom energy modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Molicel performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS Molicel INR21700-P45B 4500mAh  BATTERY","offer_id":67583129288867,"sku":"INR21700-P45B-4500mAh-1PCS","price":26.98,"currency_code":"USD","in_stock":true},{"title":"10PCS Molicel INR21700-P45B 4500mAh  BATTERY","offer_id":67583129321635,"sku":"INR21700-P45B-4500mAh-10PCS","price":109.93,"currency_code":"USD","in_stock":true},{"title":"20PCS Molicel INR21700-P45B 4500mAh  BATTERY","offer_id":67583129354403,"sku":"INR21700-P45B-4500mAh-20PCS","price":202.1,"currency_code":"USD","in_stock":true},{"title":"50PCS Molicel INR21700-P45B 4500mAh  BATTERY","offer_id":67583129387171,"sku":"INR21700-P45B-4500mAh-50PCS","price":478.61,"currency_code":"USD","in_stock":true},{"title":"100PCS Molicel INR21700-P45B 4500mAh  BATTERY","offer_id":67583129419939,"sku":"INR21700-P45B-4500mAh-100PCS","price":939.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/5_11412448-cc0e-40ac-acd9-d8d0a8aee723.png?v=1790751393"},{"product_id":"eve-inr21700-40p-4000mah-50a-li-ion-battery-for-power-tools-e-bikes-diy-battery-packs-1-100-pcs","title":"EVE INR21700-40P 4000mAh 50A Li-ion Battery for Power Tools, E-Bikes \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine EVE INR21700-40P high-rate 4000mAh 50A continuous lithium-ion cells for heavy-duty cordless power tools, electric vehicles, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eEVE INR21700-40P 4000mAh 50A Continuous Discharge 21700 Li-ion Rechargeable Battery\u003c\/strong\u003e is an ultra-high-drain cylindrical bare cell manufactured by EVE Energy and supplied by DXF POWER with strict quality grading. Engineered for extreme-drain applications demanding ferocious power delivery without compromising cell stability, this flat-top bare cell delivers a solid 4000mAh capacity on a 3.7V nominal platform with a massive 12.5C (50A) maximum continuous discharge rating. Featuring an ultra-low internal impedance (≤13mΩ) and an impressive cycle life (≥600 cycles), the EVE 40P is the premier choice for high-draw cordless power tools, high-performance electric bicycles (e-bikes), electric skateboards\/scooters, and custom DIY battery packs.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine EVE INR21700\/40P Cell:\u003c\/strong\u003e Authentic Grade-A 21700 high-power cylindrical cell manufactured by leading producer EVE Energy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50A (12.5C) Continuous Discharge Output:\u003c\/strong\u003e Extreme 50A continuous discharge capability engineered for severe, high-drain loads without thermal runaway\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Impedance:\u003c\/strong\u003e Initial internal AC impedance ≤13mΩ ensures lightning-fast power transfer and minimal voltage sag under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000mAh High-Drain Capacity:\u003c\/strong\u003e Generous 4000mAh capacity balances heavy current delivery with reliable operating runtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Cycle Life:\u003c\/strong\u003e Engineered for ≥600 charge\/discharge cycles for sustained heavy-duty performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 3.7V Platform:\u003c\/strong\u003e CC-CV charging profile up to 4.20V with a broad working voltage range of 2.50V to 4.20V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 21700 Flat-Top Design:\u003c\/strong\u003e 21.15 mm diameter × 70.15 mm height and ~70 g weight, ideal for precision spot welding and pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e EVE Energy (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR21700\/40P (EV-INR21700-40P \/ 40P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 21700 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Chemistry:\u003c\/strong\u003e INR \/ Li-ion (Lithium Nickel Manganese Cobalt Oxide)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Terminal:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible high-current BMS \/ protection circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 4000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Voltage Range:\u003c\/strong\u003e 2.50V - 4.20V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Termination Voltage:\u003c\/strong\u003e 4.20V ± 0.05V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Continuous Discharge Current:\u003c\/strong\u003e 12.5C (50A continuous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial Internal Impedance:\u003c\/strong\u003e ≤13mΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e ≥600 cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Method:\u003c\/strong\u003e Constant Current \/ Constant Voltage (CC-CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: 21.15 mm × Height: 70.15 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 70 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Cordless power tools (drills, grinders, impact drivers), high-speed electric scooters\/e-bikes, electric skateboards, lawn equipment, and custom high-drain DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEVE INR21700-40P 4000mAh 50A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Single Cell Replacement:\u003c\/strong\u003e Quick replacement for high-drain torches, individual test benches, or handheld tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – High-Output Tool Packs:\u003c\/strong\u003e Ideal for rebuilding power tool batteries and high-rate equipment packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Compact High-Drain Modules:\u003c\/strong\u003e Perfect for high-power scooters, robotics, and performance battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; EV Battery Rebuilds:\u003c\/strong\u003e Sized for assembling and refurbishing standard 36V\/48V high-power electric vehicle packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 50A.\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 21700 batteries in pockets, bags, or purses with metal objects like keys or coins; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A EVE INR21700-40P cells with authentic 4000mAh capacity and 50A continuous output\u003c\/li\u003e\n\u003cli\u003eUltra-low ≤13mΩ internal impedance for minimal voltage sag under demanding power loads\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for power tool rebuilders, high-performance EV builders, and DIY pack fabricators demanding authentic 4000mAh capacity, fierce 50A continuous discharge, and ≤13mΩ ultra-low impedance for extreme-drain cordless and electric mobility applications.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted EVE performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS DMEGC INR21700-40P 4000MAH BATTERY","offer_id":67591509901475,"sku":"INR21700-40E-4000MAH-1PCS","price":17.89,"currency_code":"USD","in_stock":true},{"title":"10PCS DMEGC INR21700-40P 4000MAH BATTERY","offer_id":67591509934243,"sku":"INR21700-40E-4000MAH-10PCS","price":73.73,"currency_code":"USD","in_stock":true},{"title":"20PCS DMEGC INR21700-40P 4000MAH BATTERY","offer_id":67591509967011,"sku":"INR21700-40E-4000MAH-20PCS","price":135.79,"currency_code":"USD","in_stock":true},{"title":"50PCS DMEGC INR21700-40P 4000MAH BATTERY","offer_id":67591509999779,"sku":"INR21700-40E-4000MAH-50PCS","price":321.95,"currency_code":"USD","in_stock":true},{"title":"100PCS DMEGC INR21700-40P 4000MAH BATTERY","offer_id":67591510032547,"sku":"INR21700-40E-4000MAH-100PCS","price":632.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_03d19579-dbb6-475a-8a0c-c30de1d5b11d.png?v=1790854115"},{"product_id":"lishen-lr2170la-4000mah-45a-reclaimed-21700-li-ion-cell-for-professional-battery-pack-assembly-1-100-pcs","title":"LISHEN LR2170LA 4000mAh 45A Reclaimed 21700 Li-ion Cell for Professional Battery Pack Assembly (1–100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003eGlobal Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" target=\"_blank\"\u003eChina warehouse shipping information\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose your quantity (1, 10, 20, 50 or 100 PCS) – reclaimed LISHEN LR2170LA 4000mAh 21700 cells for qualified battery-pack builders.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWARNING – Professional customers only.\u003c\/strong\u003e The reclaimed LISHEN LR2170LA 4000mAh 21700 lithium-ion cell is a component for professional assembly of battery packs with appropriate BMS\/PCM, insulation, housing and safety protections. The supplied product information lists 45A as the maximum current and 15A as the recommended \/ optimal continuous current; do not treat 45A as the recommended sustained draw. The cell is not a ready-to-use consumer battery.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000mAh rated capacity:\u003c\/strong\u003e For suitable, professionally designed 21700 packs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e45A maximum current:\u003c\/strong\u003e Listed maximum; recommended \/ optimal continuous current is 15A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReclaimed cell:\u003c\/strong\u003e Cosmetic removal marks and production date may vary by delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnprotected component:\u003c\/strong\u003e Requires suitable pack-level protection and qualified assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple quantities:\u003c\/strong\u003e Select 1, 10, 20, 50 or 100 PCS.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Cell\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal manufacturer:\u003c\/strong\u003e LISHEN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LR2170LA [reclaimed]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort name:\u003c\/strong\u003e LA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell type and size:\u003c\/strong\u003e Li-Ion, 21700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated capacity:\u003c\/strong\u003e 4000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e 45A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended \/ optimal continuous current:\u003c\/strong\u003e 15A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eState of charge:\u003c\/strong\u003e Approximately 3.45V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell condition:\u003c\/strong\u003e Reclaimed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduction date:\u003c\/strong\u003e Varies depending on deliveries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 months\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e \u003ca href=\"https:\/\/e-foton.pl\/userdata\/public\/assets\/Testy_ogniw\/lishen_LR2170LA.pdf\" rel=\"noopener\" target=\"_blank\"\u003eLR2170LA documentation\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Options\u003c\/h2\u003e\u003cp\u003eSelect 1, 10, 20, 50 or 100 cells as offered in the product options. The single-cell price applies to one cell; check the selected option for multi-cell pricing. Inspect and verify each reclaimed cell before pack assembly.\u003c\/p\u003e\u003ch2\u003e3-Month Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eThis reclaimed-cell listing states a 3-month warranty. Contact the seller for support with the order or product information.\u003c\/p\u003e\u003ch2\u003eIntended Use \u0026amp; Restrictions\u003c\/h2\u003e\u003cp\u003eIntended only for professional customers, including battery-pack manufacturers, technical service providers, system integrators and entities qualified to design, assemble and test packs built from lithium cells. Manufacturer names and model designations identify factory origin and model only; seller authorization by the manufacturer is not claimed unless expressly stated separately.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThe cell is not a ready-to-use consumer battery and has no individual protection circuit. Integrate only into a professionally designed pack with appropriate BMS\/PCM, insulation, housing and protection against short circuit, overcharge, over-discharge and overheating.\u003c\/li\u003e\n\u003cli\u003eDo not use as a single, loose, replaceable battery in e-cigarettes\/vapes, flashlights, toys, power banks, RC devices or other consumer devices unless part of a professionally made and protected pack.\u003c\/li\u003e\n\u003cli\u003eDo not carry loose in a pocket or bag with metal objects. A terminal short circuit can cause fire, explosion, burns or property damage.\u003c\/li\u003e\n\u003cli\u003eDo not use a damaged cell, including one with voltage below documented limits, a crushed casing, corrosion or other abnormal condition.\u003c\/li\u003e\n\u003cli\u003eDo not solder directly to terminals without technology and procedure approved by a professional integrator. Follow the pack design and documentation.\u003c\/li\u003e\n\u003cli\u003eBefore assembly, inspect reclaimed cells and independently verify equal voltages of cells to be connected.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cp\u003eChoose the quantity appropriate for your professional pack-building project, then verify reclaimed cell condition, matching and protection design before use.\u003c\/p\u003e\u003chr\u003e\u003cp\u003eExplore more battery content on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"LISHEN","offers":[{"title":"1PCS LISHEN LR2170LA 4000MAH  BATTERY","offer_id":67593678422179,"sku":"LR2170LA-4000mAh-1PCS","price":23.0,"currency_code":"USD","in_stock":true},{"title":"10PCS LISHEN LR2170LA 4000MAH  BATTERY","offer_id":67593678454947,"sku":"LR2170LA-4000mAh-10PCS","price":70.08,"currency_code":"USD","in_stock":true},{"title":"20PCS LISHEN LR2170LA 4000MAH  BATTERY","offer_id":67593678487715,"sku":"LR2170LA-4000mAh-20PCS","price":122.4,"currency_code":"USD","in_stock":true},{"title":"50PCS LISHEN LR2170LA 4000MAH  BATTERY","offer_id":67593678520483,"sku":"LR2170LA-4000mAh-50PCS","price":279.36,"currency_code":"USD","in_stock":true},{"title":"100PCS LISHEN LR2170LA 4000MAH  BATTERY","offer_id":67593678553251,"sku":"LR2170LA-4000mAh-100PCS","price":540.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/4_4c40160e-0037-4462-ad8f-1e7d8471a109.png?v=1790918412"},{"product_id":"lishen-lr2170sd-5000mah-10a-reclaimed-21700-li-ion-cell-for-professional-battery-pack-assembly-1-100-pcs","title":"LISHEN LR2170SD 5000mAh 10A Reclaimed 21700 Li-ion Cell for Professional Battery Pack Assembly (1–100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003eGlobal Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" target=\"_blank\"\u003eChina warehouse shipping information\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eChoose 1, 10, 20, 50 or 100 PCS – reclaimed LISHEN LR2170SD 5000mAh 21700 lithium-ion cells for professional battery-pack assembly.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWARNING – For professional customers only.\u003c\/strong\u003e The LISHEN LR2170SD is a reclaimed, unprotected 21700 lithium-ion cell rated at 5000mAh. It is a component for professionally designed packs with suitable BMS\/PCM, insulation, housing and safety protection. The supplied product information lists \u003cstrong\u003e10A maximum current\u003c\/strong\u003e and \u003cstrong\u003e5A recommended \/ optimal continuous current\u003c\/strong\u003e; 10A must not be presented as the recommended sustained draw. This cell is not a ready-to-use consumer battery.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000mAh rated capacity:\u003c\/strong\u003e For compatible high-capacity professional 21700 pack designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10A maximum current:\u003c\/strong\u003e With 5A recommended \/ optimal continuous current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReclaimed condition:\u003c\/strong\u003e Minor cosmetic removal marks and production dates may vary by delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnprotected cell:\u003c\/strong\u003e Requires professionally designed pack-level protection and inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible quantities:\u003c\/strong\u003e Choose 1, 10, 20, 50 or 100 PCS for qualified pack-building work.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Cell\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal manufacturer:\u003c\/strong\u003e LISHEN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LR2170SD [reclaimed]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort name:\u003c\/strong\u003e SD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType and size:\u003c\/strong\u003e Li-Ion, 21700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated capacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e 10A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended \/ optimal continuous current:\u003c\/strong\u003e 5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eState of charge:\u003c\/strong\u003e Approximately 3.45V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell condition:\u003c\/strong\u003e Reclaimed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduction date:\u003c\/strong\u003e Varies depending on deliveries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 months\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e \u003ca href=\"https:\/\/e-foton.pl\/userdata\/public\/assets\/Testy_ogniw\/lishen_LR2170SD.pdf\" target=\"_blank\" rel=\"noopener\"\u003eLISHEN LR2170SD documentation\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cp\u003eLISHEN LR2170SD cells in the selected quantity, subject to the product option chosen at checkout. No additional accessories are specified.\u003c\/p\u003e\u003ch2\u003eChoose Your Quantity\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS:\u003c\/strong\u003e One cell for qualified inspection or professional pack work; the single-cell option price applies to one cell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS:\u003c\/strong\u003e Small-batch professional pack assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS:\u003c\/strong\u003e Multi-cell protected pack designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS:\u003c\/strong\u003e Workshop-scale integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS:\u003c\/strong\u003e Volume assembly by qualified builders.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e3-Month Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eThe supplied reclaimed-cell information states a 3-month warranty. Contact the seller with order or product questions.\u003c\/p\u003e\u003ch2\u003eIntended Use \u0026amp; Restrictions\u003c\/h2\u003e\u003cp\u003eFor professional battery-pack manufacturers, technical service providers, system integrators and other qualified entities able to design, assemble and test lithium-cell packs. Manufacturer names and model designations identify factory origin and model only; seller authorization is not claimed unless stated separately.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNot a ready-to-use consumer battery; it has no individual protection circuit. Use only in a professionally designed pack with appropriate BMS\/PCM, insulation, housing, and protection against short circuit, overcharge, over-discharge and overheating.\u003c\/li\u003e\n\u003cli\u003eDo not use as a loose replaceable cell in e-cigarettes, flashlights, toys, power banks, RC devices or other consumer devices unless integrated into a professionally made and protected pack.\u003c\/li\u003e\n\u003cli\u003eNever carry loose in a pocket or bag with metal objects. Short circuits can cause fire, explosion, burns or property damage.\u003c\/li\u003e\n\u003cli\u003eReject cells with abnormal voltage, damaged casing, corrosion or other abnormal conditions. Verify equal voltages before connecting reclaimed cells.\u003c\/li\u003e\n\u003cli\u003eDo not solder directly to terminals without an assembly procedure approved by a professional integrator. Follow the pack design and cell documentation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cp\u003eSelect the quantity appropriate for your professional project, and inspect, match and protect every reclaimed cell before assembly.\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eQualified pack builders and integrators designing protected 21700 battery packs whose current requirements are compatible with the cell rating. Not for loose or unprotected consumer-device use.\u003c\/p\u003e\u003chr\u003e\u003cp\u003eExplore battery content on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"LISHEN","offers":[{"title":"1PCS LISHEN LR2170SD 5000MAH  BATTERY","offer_id":67593681436835,"sku":"LR2170SD-5000mAh-1PCS","price":23.85,"currency_code":"USD","in_stock":true},{"title":"10PCS LISHEN LR2170SD 5000MAH  BATTERY","offer_id":67593681469603,"sku":"LR2170SD-5000mAh-10PCS","price":78.6,"currency_code":"USD","in_stock":true},{"title":"20PCS  LISHEN LR2170SD 5000MAH  BATTERY","offer_id":67593681502371,"sku":"LR2170SD-5000mAh-20PCS","price":139.44,"currency_code":"USD","in_stock":true},{"title":"50PCS  LISHEN LR2170SD 5000MAH  BATTERY","offer_id":67593681535139,"sku":"LR2170SD-5000mAh-50PCS","price":321.95,"currency_code":"USD","in_stock":true},{"title":"100PCS  LISHEN LR2170SD 5000MAH  BATTERY","offer_id":67593681567907,"sku":"LR2170SD-5000mAh-100PCS","price":626.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/8_e1955e1c-e078-43f7-86ce-9b7adcd5fcc3.png?v=1790918884"},{"product_id":"lishen-lr2170sz-5000mah-15a-21700-li-ion-cell-for-protected-energy-storage-outdoor-power-long-runtime-packs-1-100-pcs","title":"LISHEN LR2170SZ 5000mAh 15A 21700 Li-ion Cell for Protected Energy Storage, Outdoor Power \u0026 Long-Runtime Packs (1–100 PCS)","description":"\u003cdiv style=\"border-left: 3px solid #d9d9d9; padding: 14px 18px; margin-bottom: 22px;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 18px; font-weight: bold; color: #1b16d8;\"\u003eGlobal Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" rel=\"noopener\" target=\"_blank\"\u003eChina warehouse shipping information\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eSelect 1, 10, 20, 50 or 100 PCS – LISHEN LR2170SZ 5000mAh nominal 21700 cells for professionally protected long-runtime battery packs.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width: 100%; height: auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eLISHEN LR2170SZ 21700 lithium-ion cell\u003c\/strong\u003e is a high-capacity option for professionally built packs where runtime matters more than extreme discharge bursts. The supplied specification image lists \u003cstrong\u003e5000mAh nominal\u003c\/strong\u003e and \u003cstrong\u003e4900mAh rated\u003c\/strong\u003e capacity at 0.2C, 3.6V nominal voltage and \u003cstrong\u003e15A maximum discharge\u003c\/strong\u003e. It is better suited to compatible protected energy-storage, outdoor-power and moderate-current designs than high-current racing RC applications.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-capacity 21700 format:\u003c\/strong\u003e 5000mAh nominal \/ 4900mAh rated at 0.2C, as listed in the supplied specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15A maximum discharge:\u003c\/strong\u003e Intended for loads within the cell and pack design limits, not ultra-high-drain racing builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.6V nominal voltage:\u003c\/strong\u003e Charge limit 4.2V; discharge limit 2.5V as listed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC internal resistance:\u003c\/strong\u003e 14mΩ typical in the supplied specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-runtime focus:\u003c\/strong\u003e For appropriate protected portable-power and storage assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Cell\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LISHEN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LR2170SZ (21SZ in supplied specification)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell format:\u003c\/strong\u003e 21700 rechargeable lithium-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal capacity at 0.2C:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated capacity at 0.2C:\u003c\/strong\u003e 4900mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge voltage limit:\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge voltage limit:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard charge current:\u003c\/strong\u003e 1A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge current used for cycle test:\u003c\/strong\u003e 2.5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge current used for cycle test:\u003c\/strong\u003e 5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum discharge current:\u003c\/strong\u003e 15A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC internal resistance:\u003c\/strong\u003e 14mΩ typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge temperature, cell surface:\u003c\/strong\u003e 0°C to 50°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge temperature, cell surface:\u003c\/strong\u003e −20°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle-test result:\u003c\/strong\u003e 80% capacity at 800 cycles under the listed 2.5A charge \/ 5A discharge, 2.75–4.2V test conditions; actual life depends on use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 70g typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravimetric energy density at 0.2C:\u003c\/strong\u003e 257Wh\/kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolumetric energy density at 0.2C:\u003c\/strong\u003e 724Wh\/L\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Options\u003c\/h2\u003e\u003cp\u003eSelect 1, 10, 20, 50 or 100 cells according to the chosen product option. Verify the selected option and pricing before checkout.\u003c\/p\u003e\u003ch2\u003eIntended Applications\u003c\/h2\u003e\u003cp\u003eFor qualified integrators building protected, moderate-current battery packs for portable energy storage, outdoor power supplies, long-runtime electronics and compatible lower-drain model applications. Not recommended for racing RC vehicles or aircraft that demand high burst currents.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse only with compatible charging controls, cell protection, insulation and a professionally designed pack. Do not use a loose unprotected cell in a consumer device.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the listed 4.2V charge limit, discharge below 2.5V, or exceed the 15A maximum discharge rating.\u003c\/li\u003e\n\u003cli\u003eInspect the wrapper and terminals; never use damaged cells or carry cells loose with metal objects.\u003c\/li\u003e\n\u003cli\u003eFollow the pack design and verify cell condition and voltage balance before connecting multiple cells.\u003c\/li\u003e\n\u003cli\u003eFor extended storage, store partially charged in a cool, dry location and follow the manufacturer's detailed handling instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cp\u003eSelect a quantity that suits your professionally protected long-runtime pack project, and verify the cell specifications against your equipment before assembly.\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eProtected portable-power and energy-storage packs where 5000mAh nominal capacity is more important than extreme discharge current.\u003c\/p\u003e\u003chr\u003e\u003cp\u003eExplore battery content on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"LISHEN","offers":[{"title":"1PCS LISHEN LR2170SZ 5000MAH  BATTERY","offer_id":67593682780323,"sku":"LR2170SZ-5000mAh-1PCS","price":23.36,"currency_code":"USD","in_stock":true},{"title":"10PCS LISHEN LR2170SZ 5000MAH  BATTERY","offer_id":67593682813091,"sku":"LR2170SZ-5000mAh-10PCS","price":73.73,"currency_code":"USD","in_stock":true},{"title":"20PCS  LISHEN LR2170SZ 5000MAH  BATTERY","offer_id":67593682845859,"sku":"LR2170SZ-5000mAh-20PCS","price":129.7,"currency_code":"USD","in_stock":true},{"title":"50PCS  LISHEN LR2170SZ 5000MAH  BATTERY","offer_id":67593682878627,"sku":"LR2170SZ-5000mAh-50PCS","price":297.62,"currency_code":"USD","in_stock":true},{"title":"100PCS  LISHEN LR2170SZ 5000MAH  BATTERY","offer_id":67593682911395,"sku":"LR2170SZ-5000mAh-100PCS","price":577.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/7_e3658f60-4a81-41db-80ce-5cbfb68dee3f.png?v=1790919410"}],"url":"https:\/\/dxf-hobby.store\/ja\/collections\/21700-battery.oembed?page=2","provider":"DXF POWER","version":"1.0","type":"link"}