{"product_id":"keeppower-18500-3-7v-2600mah-protected-li-ion-battery-2-pack-p1850c4-high-capacity-2c-rechargeable-cell-for-flashlights-tactical-gear","title":"Keeppower 18500 3.7V 2600mAh Protected Li-ion Battery (2-Pack) - P1850C4 High Capacity 2C Rechargeable Cell for Flashlights \u0026 Tactical Gear","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eUpgrade your high-performance flashlights and tactical gear with the ultimate power solution – the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKeeppower 18500 3.7V 2600mAh Protected Li-ion Battery (1-Pack)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Featuring an incredibly high capacity of 2600mAh and a built-in Protection Circuit Board (PCB), this premium battery delivers maximum runtime and absolute safety for your most demanding devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe built-in PCB ensures total protection against over-charging, over-discharging, and short circuits. It also supports a reliable 2C discharge rate, providing stable power for high-lumen tactical flashlights, scopes, and portable optics.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e CRITICAL SIZE \u0026amp; APPLICATION WARNING:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSize Alert:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProtected\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 18500 battery. Due to the built-in Protection Circuit Board (PCB), its actual physical dimensions are \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18.5mm (Diameter) x 53mm (Height)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. This is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3mm longer and 0.5mm thicker\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e than standard unprotected 18500 batteries (50mm x 18mm). Please measure your device's internal battery compartment carefully \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBEFORE\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e ordering to ensure it can accommodate the 53mm length and 18.5mm diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplication Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This battery is designed for \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlashlights, Optics, and Tactical Gear\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. It is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNOT\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e recommended for electric hair clippers, trimmers, or small home appliances, as the specific length constraints of those devices almost always prevent a proper fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eMassive 2600mAh High Capacity: Delivers exceptional runtime, allowing your tactical lights and devices to perform longer than ever before.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eBuilt-in PCB Protection: Integrated smart circuit prevents over-charging, over-discharging, and short circuits, ensuring complete safety during use.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eReliable 2C Discharge Rate: Provides stable power output suitable for high-performance flashlights and electronic devices.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eGenuine Keeppower Quality (P1850C4): A trusted brand with reliable ICR18500 cells and rigorous manufacturing standards.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eSingle Battery Replacement: Perfect for replacing a single worn-out battery in your tactical gear without having to buy a whole pair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eParameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBrand \/ Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eKeeppower \/ P1850C4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBattery Size \/ Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e18500 (Protected Cylindrical Li-ion)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCell Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eICR18500\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCapacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2600mAh (Minimum: 2550mAh)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.7V (Max Charge: 4.2V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDischarge Rate\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2C Max\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBuilt-in Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eYes (PCB - Over-charge, Over-discharge, Short-circuit)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTerminal Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eButton Top (+)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eActual Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18.5mm (Diameter) x 53mm (Height)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eRechargeable Cycles\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e300+ cycles\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eHigh-Lumen Tactical Flashlights \u0026amp; EDC Torches\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eNight Vision Scopes, Rangefinders \u0026amp; Laser Sights\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eOutdoor Emergency \u0026amp; Searchlights\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003ePortable Electronics requiring high capacity and protection\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eHigh-Drain DIY Electronics\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFAQ:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: Why is this battery 53mm tall instead of the standard 50mm?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: This is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProtected\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e battery. The extra 3mm comes from the built-in Protection Circuit Board (PCB) integrated into the cell, which provides crucial safety against overcharging and short circuits.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: Will this battery fit in my hair clipper?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProbably NOT.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Due to the 53mm length and 18.5mm diameter, this battery is specifically designed for flashlights and tactical gear. We generally do not recommend it for hair clippers or small appliances, as they usually have very tight internal compartments.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: What is the advantage of a protected battery over a bare cell?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: A protected battery has an integrated smart PCB that automatically cuts off the power if it detects over-charging, over-discharging, or a short circuit. This provides an extra layer of safety, especially in devices that lack their own protection circuits.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: Can I charge this battery with a standard Li-ion charger?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: Yes. You can use a standard 3.7V\/4.2V Li-ion charger. However, because it is a protected battery, it will have a slightly longer length, so make sure your charger's slot can accommodate 53mm.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: How long does it take to fully charge this battery?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: With a standard 500mA smart charger, it will take approximately 5 to 6 hours to fully charge a 2600mAh battery. Using a 1A charger will reduce this time to about 3 hours.\u003c\/span\u003e\u003c\/p\u003e","brand":"Keeppower","offers":[{"title":"Default Title","offer_id":51454233477366,"sku":"OAS1200","price":17.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/keeppower-18500-2600mah-protected-1-pack-main_38a89b9e-fb90-4f4e-b801-ec8479d619d3.webp?v=1786968950","url":"https:\/\/oneandes.com\/products\/keeppower-18500-3-7v-2600mah-protected-li-ion-battery-2-pack-p1850c4-high-capacity-2c-rechargeable-cell-for-flashlights-tactical-gear","provider":"OneAndes","version":"1.0","type":"link"}