The inverter is the conversion of DC energy (batteries, storage battery) into alternating current (usually 220v,50hz sine wave). It consists of an inverter bridge, a control logic and a filter circuit. Widely used in air-conditioning, home theater, electric grinding wheel, power tools, sewing machine, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, VCR, massager, fan, lighting and so on.
In foreign countries because of the high penetration of the car out of work or travel can use the inverter to connect the battery drive electrical appliances and various tools work. The on-board inverter output via cigarette smoke converter is 20W, 40W, 80W, 120W to 150W power specifications. A few more power inverters should be connected to the battery via a connection cable. Connecting appliances to the output of a power converter can use a variety of appliances in the car. Available appliances are: mobile phones, laptops, digital video cameras, camera, lighting, electric shaver, CD player, game consoles, handheld computers, power tools, car refrigerators and a variety of tourism, camping, medical emergency appliances and so on.