{"product_id":"1-10pcs-21700-lithium-battery-3-7v-5000mah-high-power-3c-15a-discharge-flat-top-21700-rechargeable-battery-for-led-flashlight","title":"NIELFTOR 21700 5000mAh Flat Top LiIon Battery, Rechargeable for Drones, Flashlights, Tools","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the NIELFTOR INR21700 3.7V 5000mAh Rechargeable Flat Top Battery, a high-drain Li-ion cell designed for drones, LED flashlights, power tools, and industrial equipment. This 21700 cell delivers a nominal 3.7V and up to 5000mAh capacity, providing longer run times between charges. The flat-top design ensures broad device compatibility, while the 3C 15A discharge capability powers motors and bright LEDs reliably under load. With an internal resistance of ≤25 mΩ and a weight of about 76 g, it offers stable performance in demanding applications. Real capacity typically ranges from 4900 to 5000 mAh, and the cycle life exceeds 1000 cycles, making it a durable choice for frequent use. Originating in Mainland China, this battery is CE certified for EU markets. It’s well suited for drones, power tools, and industrial equipment, delivering dependable power where it matters most. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty. Providing quality and trusted service since 2002 at intercyprus.com.\u003c\/p\u003e \u003ch3\u003eBenefits \u0026amp; Tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHigh-capacity 5000mAh cell provides longer run times for drones, power tools, and LED flashlights.\u003c\/li\u003e \u003cli\u003eFlat Top design enhances compatibility with a wide range of devices and mounting options.\u003c\/li\u003e \u003cli\u003eSupports up to 3C (15A) continuous discharge for demanding loads while maintaining reliable performance.\u003c\/li\u003e \u003cli\u003eReuse-friendly and environmentally mindful choice with recycling considerations.\u003c\/li\u003e \u003cli\u003eTips: Use a proper Li-ion charger, avoid deep discharging below 2.5V, and never mix with other chemistries or depleted cells.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eBattery Type:\u003c\/b\u003e 21700 Li-ion\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eModel\/Designation:\u003c\/b\u003e INR21700-50F\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNominal Voltage:\u003c\/b\u003e 3.7 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCapacity:\u003c\/b\u003e 5000 mAh (real capacity 4900–5000 mAh)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInternal Resistance:\u003c\/b\u003e ≤25 mΩ\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDischarge Current:\u003c\/b\u003e 3C (up to 15 A)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCharge Cutoff Voltage:\u003c\/b\u003e 4.2 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDischarge Cutoff Voltage:\u003c\/b\u003e 2.5 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize\/Format:\u003c\/b\u003e 21700, Flat Top\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e ~76 g\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCycle Life:\u003c\/b\u003e \u0026gt;1000 cycles\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOrigin:\u003c\/b\u003e Mainland China\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertification:\u003c\/b\u003e CE\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eChemistry:\u003c\/b\u003e Li-Ion\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePackage includes:\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e1 x NIELFTOR INR21700 3.7V 5000mAh Rechargeable Flat Top Battery\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWarnings\/Reminders\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse with a compatible Li-ion charger designed for 21700 cells; do not exceed 4.2V during charging.\u003c\/li\u003e \u003cli\u003eAvoid discharging below 2.5V and don’t subject to crushing, puncturing, or short-circuit.\u003c\/li\u003e \u003cli\u003eStore in a cool, dry place away from heat sources and out of reach of children.\u003c\/li\u003e \u003cli\u003eDo not mix with other chemistries or used cells; recycle responsibly according to local regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"InterCyprus","offers":[{"title":"8PCS \/ 3.7 V \/ Central Depot","offer_id":51666716033366,"sku":"1005008810937118-8PCS-3.7 V-GERMANY","price":62.9,"currency_code":"EUR","in_stock":true},{"title":"10PCS \/ 3.7 V \/ Central Depot","offer_id":51666716066134,"sku":"1005008810937118-10PCS-3.7 V-GERMANY","price":74.77,"currency_code":"EUR","in_stock":true},{"title":"4PCS \/ 3.7 V \/ Central Depot","offer_id":51666716098902,"sku":"1005008810937118-4PCS-3.7 V-GERMANY","price":40.41,"currency_code":"EUR","in_stock":true},{"title":"6PCS \/ 3.7 V \/ Central Depot","offer_id":51666716131670,"sku":"1005008810937118-6PCS-3.7 V-GERMANY","price":51.01,"currency_code":"EUR","in_stock":true},{"title":"1PCS \/ 3.7 V \/ Central Depot","offer_id":51666716164438,"sku":"1005008810937118-1PCS-3.7 V-GERMANY","price":17.85,"currency_code":"EUR","in_stock":true},{"title":"2PCS \/ 3.7 V \/ Central Depot","offer_id":51666716197206,"sku":"1005008810937118-2PCS-3.7 V-GERMANY","price":24.78,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/S10c99914d3b8449eafd93b26b4fc3c53y.webp?v=1761381285","url":"https:\/\/www.intercyprus.com\/fr\/products\/1-10pcs-21700-lithium-battery-3-7v-5000mah-high-power-3c-15a-discharge-flat-top-21700-rechargeable-battery-for-led-flashlight","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}