MOOSIB 12V 300Ah LiFePO4 Battery is built-in with a 200A BMS Maximum Load Power of 2560W. It is certified as Grade A Automotive LiFePO4 cells and meets UL-certified 200A BMS requirements for top-tier safety, energy density, power, and stability. The battery has a scalable capacity of 3840Wh, supports 2560W load power, and is ideal for solar systems, off-grid systems, RV campers, and emergency backup power. Up to 4 batteries in parallel and 4 in series can provide 40.96kW capacity and 61.44kWh energy (4P4S). It has a lifespan of up to 10 years and 4000-15000 cycles, producing a total of 15360kWh energy (3840Wh x 4000 cycles = 15360kWh). The battery is lightweight and has an impressive energy density of 61.14Wh/lb (3840Wh / 62.8lb = 61.14Wh/lb).