{"product_id":"18650-lifepo4-battery-pack-12-8v-1800mah-4s-protected","title":"18650 LiFePO4 Battery Pack 12.8V 1800mAh (4S) with Protection Board – Pre-wired Red\/Black Leads for 12V Devices, Solar Lights \u0026 DIY Projects","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSafe 12.8V power for your 12V devices, solar lights, and DIY projects.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18650 LiFePO4 (Lithium Iron Phosphate) Battery Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e features four cells connected in series (4S), delivering a stable \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e12.8V nominal voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (14.6V full charge) and a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1800mAh capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eUnlike standard 3.7V Li-ion cells, LiFePO4 chemistry offers superior thermal stability, an ultra-long cycle life, and a much lower risk of fire or explosion. It is an excellent rechargeable replacement for standard 12V lead-acid batteries, 12V solar lights, or devices requiring a 12V power source. It comes fully assembled with a built-in \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eprotection board (BMS)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e and pre-wired with red (positive) and black (negative) leads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e CRITICAL WARNING: Voltage Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eThis is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4S LiFePO4 battery (12.8V nominal)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. You \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMUST\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e use a dedicated LiFePO4 charger with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e14.6V cutoff\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Never use a standard 4S Li-ion charger (16.8V) or a single-cell charger, as it will overcharge the battery and cause permanent damage or fire.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLiFePO4 Chemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High thermal stability, excellent safety, and an ultra-long cycle life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4S Configuration (12.8V):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The standard 12V LiFePO4 platform, ideal for replacing lead-acid batteries and powering 12V devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBuilt-in Protection Board (BMS):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Protects against overcharge, over-discharge, over-current, and short circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePre-wired \u0026amp; Ready to Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Comes with red (+) and black (-) leads for quick connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact 4-Cell Layout:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Shrink-wrapped pack measuring approx. 67mm (H) x 74mm (W) x 18.4mm (D).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\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\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCell Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e18650 LiFePO4 (Lithium Iron Phosphate)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eConfiguration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4S1P (4 cells in series)\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=\"\"\u003e12.8V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFull Charge Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e14.6V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e1800mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eProtection Board\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eYes (Overcharge, Over-discharge, Over-current, Short circuit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWiring\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eRed (+), Black (-)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 67mm (H) x 74mm (W) x 18.4mm (D)*\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 200g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan class=\"\"\u003e*Dimensions are approximate and include the protection board and heat shrink wrap. Please allow ±1-2mm tolerance.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRecommended For:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e12V Solar Lights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The ideal replacement battery for outdoor solar path lights and lawn lamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e12V Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect replacement for devices using 12V lead-acid batteries or 12V power sources.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY 12.8V Projects:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Custom electronics requiring a stable 12V-12.8V power source.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eEmergency Lighting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable, safe power for 12V emergency lamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Recommended For:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDevices Requiring 14.8V\/16.8V:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This battery will not work properly in standard 4S Li-ion devices due to the lower voltage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Drain Power Tools:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Not suitable for tools requiring high burst currents.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard Li-ion Chargers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Never charge this with a 16.8V or 4.2V charger.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Can I use my standard 4S Li-ion charger (16.8V) for this battery?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNO.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e You must use a dedicated LiFePO4 charger with a 14.6V cutoff. Using a 16.8V charger will overcharge and damage the battery, potentially causing a fire.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Why is the voltage 12.8V? I thought 4S was 14.8V.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: This is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLiFePO4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e battery, not a standard Li-ion battery. LiFePO4 cells have a nominal voltage of 3.2V (3.2V x 4 = 12.8V), with a max charge of 14.6V. Standard Li-ion is 3.7V\/4.2V.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: Can I use this to replace a 12V lead-acid battery?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Yes, it is an excellent, lighter, and longer-lasting replacement for 12V lead-acid batteries, provided your device's charging system is compatible with LiFePO4 (14.6V cutoff).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: What is the actual capacity?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: The pack consists of four cells in series, providing a capacity of 1800mAh (capacity does not increase in series).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: How should I connect the wires?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: The \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ered wire is positive (+)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e and the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eblack wire is negative (-)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Ensure correct polarity when connecting to your device.\u003c\/span\u003e\u003c\/p\u003e","brand":"Power Pack Hub","offers":[{"title":"Default Title","offer_id":68196929241392,"sku":"P81","price":30.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/7386\/5520\/files\/18650-lifepo4-battery-pack-12.8v-1800mah-4s-protected-main.webp?v=1793670104","url":"https:\/\/powerpackhub.com\/products\/18650-lifepo4-battery-pack-12-8v-1800mah-4s-protected","provider":"PowerPackHub","version":"1.0","type":"link"}