{"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","url":"https:\/\/dxf-hobby.store\/ja-it\/products\/samsung-inr21700-53g-5300mah-15-9a-li-ion-battery-for-e-bikes-flashlights-diy-battery-packs-1-100-pcs","provider":"DXF POWER","version":"1.0","type":"link"}