Wheelchair lighting control unit 1 comprising a housing to; control electronics 28 for driving at least one LED light of a wheelchair, the control electronics being arranged in the housing to; and a power supply unit 40 for supplying power to the wheelchair lighting control unit 1; said housing to having a power supply unit compartment 14 for receiving said power supply unit 40, said power supply unit compartment 14 being always open on a side wall of said housing to so that said power supply unit 40 can be inserted into and withdrawn from said power supply unit compartment 14; and said power supply unit 40 being releasably held in the power supply unit compartment 14 in the inserted position by means of at least one magnet 70, 72 and/or by means of at least one spring element 16, 18, 76 which is biased from the outside against a side face of the power supply unit 40.