Electric vehicle information acquisition system and charging billing system for electric vehicle

The invention discloses an electric vehicle information acquisition system, which comprises a battery, a battery management module, a mileage counting device and a vehicular terminal. The battery management module is used for detecting relevant information of the battery and transmitting the relevant information of the battery to the vehicular terminal. The mileage counting device is used for acquiring actual running mileage data of the electric vehicle and transmitting the data to the vehicular terminal. The vehicular terminal is used for receiving the relevant information of the battery sent by the battery management module and the actual running mileage data of the electric vehicle sent by the mileage counting device.