{"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","url":"https:\/\/dxf-hobby.store\/no-fr\/products\/dmegc-inr21700-5000mah-15a-li-ion-battery-for-e-bikes-power-tools-diy-battery-packs-1-100-pcs","provider":"DXF POWER","version":"1.0","type":"link"}