Fully integrated battery and charging devices of a manoeuvring system for trailers

The drive (5) has a drive device (6) comprising a transmission device (7) coupled with a drive motor i.e. electric motor (E). The transmission device transmits torque of the motor on a wheel (4) of a trailer (1), and a fastening device (8) fastens the drive device to the trailer. An electrical energy storage (9) i.e. lithium ion battery, supplies the motor with electrical energy, is externally arranged at the trailer and couplable with the drive device. The fastening device and drive device are arranged outside of the trailer, and a control device (11) controls the motor.