Coil positioning device for a wireless charging system, the coil positioning device comprising: a movable coil unit at least comprising a first coil , a drive mechanism operatively coupled to the movable coil unit and adapted to move the movable coil unit into an optimum position with respect to a second coil of the two mating energy transfer coils , wherein the drive mechanism comprises a motor and a converter mechanism , which is configured to transfer an output generated by the motor to the movable coil unit to generate a multidimensional movement of the movable coil unit , the converter mechanism comprises a guiding device which is configured to provide a multidimensional movement path for the movable coil unit , and characterized in that the guiding device comprises a guiding plate with a guiding groove formed along a multidimensional, at least two-dimensional path, wherein the movable coil unit is configured to be at least partially accommodated in the guiding groove , wherein the converter mechanism further comprises a force transfer device for transferring an output of the motor to the movable coil unit , wherein the motor output is configured to be applied on the force transfer device at a first force application point (F1) and force is transferred from the force transfer device to the movable coil unit at a second force application point (F2), wherein the force transfer device is configured such that the distance between the first force application point (F1) and the second force application point (F2) is variable, wherein the force transfer device is configured to be fixedly coupled to an output element of the motor and the movable coil unit is configured to be coupled to the force transfer device to move relative to the output element in a direction differing from a movement direction of the output element , wherein the force transfer device comprises an elongate element having a straight groove and wherein the movable coil unit is configured to be movably guided in the groove . a movable coil unit at least comprising a first coil , a drive mechanism operatively coupled to the movable coil unit and adapted to move the movable coil unit into an optimum position with respect to a second coil of the two mating energy transfer coils , wherein the drive mechanism comprises a motor and a converter mechanism , which is configured to transfer an output generated by the motor to the movable coil unit to generate a multidimensional movement of the movable coil unit , the converter mechanism comprises a guiding device which is configured to provide a multidimensional movement path for the movable coil unit , and characterized in that the guiding device comprises a guiding plate with a guiding groove formed along a multidimensional, at least two-dimensional path, wherein the movable coil unit is configured to be at least partially accommodated in the guiding groove , wherein the converter mechanism further comprises a force transfer device for transferring an output of the motor to the movable coil unit , wherein the motor output is configured to be applied on the force transfer device at a first force application point (F1) and force is transferred from the force transfer device to the movable coil unit at a second force application point (F2), wherein the force transfer device is configured such that the distance between the first force application point (F1) and the second force application point (F2) is variable, wherein the force transfer device is configured to be fixedly coupled to an output element of the motor and the movable coil unit is configured to be coupled to the force transfer device to move relative to the output element in a direction differing from a movement direction of the output element , wherein the force transfer device comprises an elongate element having a straight groove and wherein the movable coil unit is configured to be movably guided in the groove . <EOS>