{"product_id":"21700-battery-lithium-ion-flat-top-cell-flashlight-battery-1-pack","title":"21700 Battery Lithium-ion Flat Top Cell Flashlight Battery [1-Pack]","description":"\u003ch3 class=\"h1prod-des\"\u003e21700 Battery Rechargeable with PCB and 5000mAh of Power\u003c\/h3\u003e\n\u003cp\u003eHigh capacity 21700 lithium-ion battery designed for flashlights and high drain devices delivering 5000mAh of reliable power. The EcoGear FX 21700 rechargeable battery are packed with an abundant amount of powerful energy. As our best 21700 battery, it provides up to 500 times of recharging cycles. The choice battery for \u003ca href=\"https:\/\/www.ecogearfx.com\/product\/usb-rechargeable-tactical-led-flashlight\/\"\u003e21700 LED flashlights\u003c\/a\u003e and battery-powered professional equipment. When you think of high powered cell batteries, these 21700 lithium batteries deliver the power needed. The 21700 battery is commonly used in LED flashlights, electric bikes, vapes, work lights and various other modern devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated PCB Protection\u003c\/li\u003e\n\u003cli\u003e Lithium Ion 21700 cylindrical rechargeable battery\u003c\/li\u003e\n\u003cli\u003eInternal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V\u003c\/li\u003e\n\u003cli\u003e Higher energy density and lower weight than many other rechargeable 21700 battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCapacity: Nominal: 5000mAh, Minimum: 4900mAh\u003c\/li\u003e\n\u003cli\u003eInternal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V\u003c\/li\u003e\n\u003cli\u003eNominal Voltage: Average 3.7V • Cut-off Voltage: 2.5V\u003c\/li\u003e\n\u003cli\u003eCycle Performance: 90% of initial capacity at 400 cycles\u003c\/li\u003e\n\u003cli\u003eCycle life: \u0026gt; 500 cycles\u003c\/li\u003e\n\u003cli\u003eCharge: Current = 0.5C (~1500mA) Voltage = 4.2 V End Current = 0.01 mA\u003c\/li\u003e\n\u003cli\u003eDischarge: Current = 0.5C (~1500mA) End Voltage = 3.0V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiameter: 21 mm\u003c\/li\u003e\n\u003cli\u003eLength: 74 mm These are the same lithium-ion batteries which were once top-selling on Amazon. Unfortunately, Amazon no longer allows the sale of many types of lithium-ion batteries including 21700 batteries.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EcoGear FX","offers":[{"title":"Default Title","offer_id":49740096897162,"sku":"BAT-21700-1PC","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/0287\/5530\/files\/images-products-21700-battery-lithium-ion-flat-top-cell-flashlight-battery-1-pack.jpg?v=1783990779","url":"https:\/\/insideoutsidegear.com\/products\/21700-battery-lithium-ion-flat-top-cell-flashlight-battery-1-pack","provider":"Inside Outside Gear","version":"1.0","type":"link"}