The PZDK series of smart chargers use high frequency switching rectification power modules. The charger is a smart charging device that was developed based on the technical requirements of the AGV (Automated Guided Vehicle) battery pack (group) charging. The working process of the charger is controlled by the microprocessor in real time, automatically turned on/off, and the operation is simple, safe and reliable. It uses a microprocessor as the main control unit and a color touch screen as a human-machine interface with flexible human-machine dialogue. The user can view the operating parameters and working status through the touch screen.