{"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","url":"https:\/\/dxf-hobby.store\/es-it\/products\/eve-inr21700-50e-5000mah-15a-li-ion-battery-for-e-bikes-scooters-diy-battery-packs-1-100-pcs","provider":"DXF POWER","version":"1.0","type":"link"}