An inverter is a converter that converts direct current energy (batteries, storage batteries) into fixed frequency and voltage or frequency and voltage regulated alternating current (usually 220V, 50Hz sine wave). It consists of an inverter bridge, control logic, and filtering circuit. Widely used in air conditioning, home theaters, electric grinding wheels, electric tools, sewing machines, DVDs, VCDs, computers, televisions, washing machines, range hoods, refrigerators, video recorders, massagers, fans, lighting, etc. If driving to work or travel, an inverter can be connected to a battery to drive electrical appliances and various tools. The vehicle inverter output through the cigarette lighter has power specifications of 20W, 40W, 80W, 120W to 150W. A higher power inverter power supply needs to be connected