High-power AC charging devices on the market are few when compared with the quantity of equivalent DC power charging equipment. Main advantages are small size, light weight, convenient installation, simple maintenance, low installation and operation cost, elegant design, simple operation, and friendly interface. There are many standard interfaces, such as European standard CE, TUV, American standard and Chinese standard GB/T. More than 200 countries and regions in the world have installed an accumulated 20,000 units, which are suitable for models such as E6, T3, T4, Q1, T9, C6 and so on.