Under the dual-carbon goal, the 51.2V LiFePO4 solar storage battery has become a core device for household low-carbon transformation. Free of heavy metal pollution, non-toxic and environmentally friendly, it supports standardized recycling and conforms to green home concepts. Powered by stored solar energy, it reduces municipal power consumption and household carbon emissions efficiently. It operates energy-saving with no exhaust or noise pollution, suitable for living environments. Long-term use realizes household power self-sufficiency, eases grid pressure, and helps families practice low-carbon living with environmental protection, economy and practicality.