Lithium Batteries are used in the UPS uninterruptible power systems for the power industry, which is mainly used in Industrial power equipment, industry electric power, steel, non-ferrous metals, coal, petrochemical, construction, military, and other fields, as all the power automation industrial system equipment, distance execution system equipment, high voltage circuit breaker, relay protection, automatic device, signal device, dc uninterruptible power supply equipment to ensure the reliability of industrial automation power supply.