Industrial truck, in particular a counterweighted fork lift truck

bbbAn industrial truck has a compartment for an energy supply unit having a lateral opening. A retaining apparatus is provided for fixing the energy supply unit in position in the lateral direction and a contacting apparatus is provided for the electrical connection of the energy supply unit with the industrial truck. The retaining apparatus can pivot between a retaining position and a removal position, and a vehicle-side coupling element of the contacting apparatus is located on the retaining apparatus. In the retaining position of the retaining apparatus, the vehicle-side coupling element is above the energy supply unit and in the removal position the retaining apparatus with the vehicle-side coupling element is outside the range of motion of the energy supply unit.