The 150W inverter is a kind of power converter, also known as an inverter, that converts 12V of direct current into 220V of alternating current on the car.The power converter adopts the frequency conversion technology, high efficiency, low noise, light and easy to carry, and perfect protection functions (under voltage, over voltage, overload, short circuit, over temperature and so on 5 kinds of protection function) provided by the alternating current (ac) can be used in the power within the scope of all kinds of electrical appliances, such as: notebook computers, automotive television, car refrigerator, energy-saving lamps, digital cameras and other electrical appliances, auto double USB devices the 5 v output 3100 ma, for all the 5 v rechargeable equipment on the market for charging.