Vehicle, in particular a logistics vehicle, comprising a frame and a housing part fastened thereto, an insertion part on the housing part being insertable into a spatial region of the vehicle, a first or a second energy storage module (21, 31) and a DC-to-DC converter, which is electrically connected to the energy storage module (21, 31), being arranged on the insertion part, the first energy storage module in particular being different from the second energy storage module, particularly in terms of its mode of operation, and/or the first energy storage module being a battery or an accumulator and the second energy storage module being an electrochemical double-layer capacitor and/or an ultracapacitor, the housing part being moulded in a trough shape in order to guide and/or centre the insertion part, the trough shape acting as a guide for the insertion part when the insertion part is inserted, the housing part having through-slots, in particular slots that are regularly spaced apart from one another in the insertion direction, characterised in that the DC-to-DC converter has cooling ribs on its side facing the base plate, the insertion part having a base plate, which is slidably insertable on the trough-shaped housing part and has a cutout, the vertical projection of the cutout into the travel surface of the vehicle overlapping the vertical projection of the slots into the travel surface, such that cooling air passing through the slots is conducted through the cutout to the cooling ribs of the DC-to-DC converter, a plug-in connector part being arranged on the base plate and being brought into plugging contact with a corresponding mating plug-in connector part, which is connected to the frame of the vehicle, when the insertion part is inserted, in such a way that the DC-to-DC converter is electrically connected to a DC link from which an inverter, which feeds an electric motor in particular for driving a wheel of the vehicle, can be powered. comprising a frame and a housing part fastened thereto, an insertion part on the housing part being insertable into a spatial region of the vehicle, a first or a second energy storage module (21, 31) and a DC-to-DC converter, which is electrically connected to the energy storage module (21, 31), being arranged on the insertion part, the first energy storage module in particular being different from the second energy storage module, particularly in terms of its mode of operation, and/or the first energy storage module being a battery or an accumulator and the second energy storage module being an electrochemical double-layer capacitor and/or an ultracapacitor, the housing part being moulded in a trough shape in order to guide and/or centre the insertion part, the trough shape acting as a guide for the insertion part when the insertion part is inserted, the housing part having through-slots, in particular slots that are regularly spaced apart from one another in the insertion direction, characterised in that the DC-to-DC converter has cooling ribs on its side facing the base plate, the insertion part having a base plate, which is slidably insertable on the trough-shaped housing part and has a cutout, the vertical projection of the cutout into the travel surface of the vehicle overlapping the vertical projection of the slots into the travel surface, such that cooling air passing through the slots is conducted through the cutout to the cooling ribs of the DC-to-DC converter, a plug-in connector part being arranged on the base plate and being brought into plugging contact with a corresponding mating plug-in connector part, which is connected to the frame of the vehicle, when the insertion part is inserted, in such a way that the DC-to-DC converter is electrically connected to a DC link from which an inverter, which feeds an electric motor in particular for driving a wheel of the vehicle, can be powered.