{"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","url":"https:\/\/dxf-hobby.store\/en-hu\/products\/samsung-inr21700-58e-5500mah-11a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs-%e5%89%af%e6%9c%ac","provider":"DXF POWER","version":"1.0","type":"link"}