{"product_id":"power-queen-2-pack-12-8v-100ah-lifepo4-battery-pack-high-cycle-solar","title":"Power Queen 2 Pack 12.8V 100Ah LiFePO4 Battery Pack - High Cycle Solar","description":"\u003cp\u003eIn this review the Power Queen 2 Pack 12.8V 100Ah LiFePO4 Battery is evaluated as a compact, high-cycle energy option for off-grid and mobile power users; the single biggest reason to consider it is its combination of long cycle life and light weight that makes it practical for RVs, solar home systems and portable setups without the handling and capacity loss of lead-acid batteries. The reviewer found the 2-pack configuration especially useful for building larger banks via series or parallel connections, and the built-in 100A BMS simplifies protection and maintenance when used as a deep-cycle energy storage solution.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in 100A BMS:\u003c\/strong\u003e Protects the pack from over-charge, over-discharge, over-current, high temperature and short circuit for safer everyday use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh cycle life:\u003c\/strong\u003e Rated up to 15000+ cycles at 60% DOD, offering years of repeatable capacity and lower long-term replacement cost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensible configuration:\u003c\/strong\u003e Can be connected in series up to 4S or parallel up to 4P to reach higher voltages or larger capacities for diverse installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast charging:\u003c\/strong\u003e Charges in roughly five hours with a recommended 14.6V 20A charger, cutting charging time compared with typical lead-acid chemistry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight design:\u003c\/strong\u003e At about 24.25 lbs per battery, it delivers roughly double the usable capacity of a similar lead-acid unit while remaining easy to install and move.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL2271 certified:\u003c\/strong\u003e Certification for micromobility devices indicates adherence to recognized safety standards for lithium battery design.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe 2-pack Power Queen LiFePO4 set is aimed at homeowners building small solar storages, RV owners who need a lighter deep-cycle option, and hobbyists who require flexible series\/parallel expansion for off-grid applications. Its long cycle life and 100% usable capacity make it attractive where daily or frequent cycling is expected.\u003c\/p\u003e\u003cp\u003eIt is not designed to be a starter battery or to power vehicles that require high cranking currents, and those needing a dedicated starting solution or specialized golf cart batteries should look elsewhere. Users should also ensure they match recommended chargers and follow wiring guidance for series\/parallel builds.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcellent longevity and cycle life that lowers lifetime cost compared with lead-acid alternatives.\u003c\/li\u003e\n\u003cli\u003eLightweight and compact, making installation in tight RV or home battery bays straightforward.\u003c\/li\u003e\n\u003cli\u003eBuilt-in 100A BMS provides essential protections without separate hardware.\u003c\/li\u003e\n\u003cli\u003eFlexible expandability in series or parallel for 48V or higher-capacity systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot suitable as a starter battery; the design is for energy storage rather than high-current cranking.\u003c\/li\u003e\n\u003cli\u003eRequires adherence to recommended charging parameters and occasionally a same-brand charger if charging issues appear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e12.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e100Ah (1280Wh per battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e2 batteries (this listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Protection\u003c\/td\u003e\n\u003ctd\u003e100A BMS (over-charge\/discharge, over-current, temp, short)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 24.25 lbs per battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpandable\u003c\/td\u003e\n\u003ctd\u003eUp to 4S or 4P (max 51.2V or max 400Ah)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Charge\u003c\/td\u003e\n\u003ctd\u003e14.6V, 20A (approx 5 hours)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Power Queen 2 Pack 12.8V 100Ah LiFePO4 batteries are a solid choice for anyone building a small solar storage bank or upgrading RV power to a lighter, longer-lived chemistry. They deliver reliable deep-cycle capacity, a useful built-in 100A BMS, and clear expandability - making them good value for users who need dependable, compact energy storage and expect frequent cycling over many years.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan these batteries be connected in series or parallel?\u003c\/strong\u003e\u003cbr\u003eYes. They support series up to 4S for higher voltage and parallel up to 4P for larger capacity, allowing flexible system design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre these batteries suitable for engine starting?\u003c\/strong\u003e\u003cbr\u003eNo. These LiFePO4 units are intended for energy storage and deep-cycle use, not as starter batteries for engines or golf carts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does it take to charge one battery fully?\u003c\/strong\u003e\u003cbr\u003eWith the recommended 14.6V 20A charger a 100Ah battery typically charges in about 5 hours.\u003c\/p\u003e","brand":"power queen","offers":[{"title":"Default Title","offer_id":48643370615003,"sku":"B0BF9JGT5D","price":455.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/612lZ-9OGhL._AC_SL1500.jpg?v=1778611869","url":"https:\/\/gearmusthave.com\/products\/power-queen-2-pack-12-8v-100ah-lifepo4-battery-pack-high-cycle-solar","provider":"GearMustHave","version":"1.0","type":"link"}