The 10KWh all-in-one energy storage battery integrates LiFePO4 battery, bidirectional inverter, MPPT controller and intelligent BMS system, realizing integrated energy storage and inversion functions without additional equipment. Featuring a compact integrated structure, it avoids the cumbersome wiring and large space occupation of traditional split systems. Plug-and-play installation greatly reduces household energy storage installation costs and space usage. With 51.2V standard voltage compatible with home photovoltaic systems and municipal power, its pure sine wave output adapts to high-power home appliances, providing stable uninterrupted power for families and serving as an optimal lightweight device for residential distributed energy storage.