The fourth-generation DC charger, with tempered glass LCD panels to enhance the overall appearance, is a product that provides fast charging for electric vehicles in conjunction with the electric vehicle battery management system (BMS). The DC charger is composed of charging module, monitor, watt-hour meter, card reader, man-machine interaction interface, communication module and charging interface, actuator and outdoor cabinet. It is widely used in various parking lots, charging stations, service areas, logistics, large shopping malls and other places.