CHARGING DEVICES AND RELATED MANAGEMENT SYSTEMS AND METHODS FOR CHARGING FEE MANAGEMENT

A charging fee management method for electric vehicles for use in a charging device is provided, wherein the charging device can be operated in a plurality of operation modes. First, a charging request for charging an electric vehicle is received. Then, the charging device is controlled to perform a charging process for the electric vehicle according to the charging request, and calculate a charging fee for the charging process, wherein the charging fee is calculated based on charging data during the respective operation mode of the charging device and a respective charging method for each operation mode.