The 5KWh all-in-one PV storage battery adopts an integrated design with no complex wiring required, realizing plug-and-play use for light photovoltaic scenarios such as homestays and self-built houses. It is compatible with 3.5-5KW universal inverters of Solis and SAJ, fitting most household photovoltaic systems. With optimized cell formula, it has an 11-year design life and 7800 standard cycles, featuring high charge-discharge efficiency and low energy loss. Boasting an IP55 waterproof rating, it delivers excellent dust and water resistance, suitable for semi-outdoor environments like courtyards and sunshades.