The inverter has the characteristics of high conversion efficiency and fast start-up, and has the functions of short circuit, over-temperature and protection. The exterior is made of all-aluminum material, which has excellent heat dissipation performance, increases its wear resistance coefficient and can withstand certain pressure extrusion. The stability of load operation is also very strong, and the function is relatively stable. No matter in the office, such as computer scanners, there are some small household appliances, lamps, electric fans, and some electrical appliances that need batteries, such as mobile phones, code cameras and so on. , need to use when charging.