Wall-mounted energy storage lithium batteries are a kind of energy storage equipment, usually using lithium batteries as a power supply. This kind of device can be hung on the wall to store electrical energy and release it for power supply when needed. It is usually used in household, commercial or industrial premises for backup power or to store renewable energy sources such as solar energy. Wall-mounted energy storage lithium batteries have the advantages of small size, easy installation, high performance, environmental protection, etc., and are becoming more and more favored by people.