The 100Ah/51.2V/5KWh wall-mounted LiFePO4 battery is a lightweight energy storage device specially designed for household photovoltaic energy storage, perfectly suitable for urban small-sized families. With an ultra-thin wall-mounted structure, it can be fixed on the wall directly without occupying floor space, featuring easy installation and neat wiring. Adopting high-safety lithium iron phosphate cells, it has high temperature resistance, short circuit protection and long service life with over 6000 cycles. It supports intelligent communication and automatic charge-discharge linkage with photovoltaic systems. It stores solar energy during the day and supplies power at night, effectively reducing household grid power consumption. With high protection level and wide temperature adaptability, it is a cost-effective solution for household power saving and emergency backup.