{"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","url":"https:\/\/dxf-hobby.store\/ja-fr\/products\/dmegc-inr21700-45e-4500mah-9a-li-ion-battery-for-evs-power-tools-diy-battery-packs-1-100-pcs","provider":"DXF POWER","version":"1.0","type":"link"}