Inverter is the direct current (battery, storage battery) into alternating current (generally 220V,50Hz sine wave). It is composed of inverter bridge, control logic and 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, video recorder, massager, fan, lighting and so on.

 In foreign countries because of the high penetration rate of cars to work or travel can be connected with the inverter battery to drive electrical appliances and a variety of tools to work