System for replacing a battery of a ground transportation vehicle, particularly of an unmanned heavy-duty transportation vehicle for iso containers

A battery changing system for use in changing a battery of a ground transport vehicle, said system comprising:

• storage areas for batteries;
• at least one ground transport vehicle with a receiving area for a replaceable lead battery having a weight of at least 6 tons, wherein said transport vehicle is a heavy-duty automated guided vehicle for ISO-containers;
• a changing area for supporting the at least one ground transport vehicle;
• at least one loading and unloading device for transporting the batteries between the storage areas and the receiving area of the at least one transport vehicle supported on the changing area, wherein the loading and unloading device is configured to move the batteries in a lifting and lowering direction for mounting or dismounting the batteries in the storage areas or in the receiving area;
• centering elements positioned in either of the storage area and the receiving area, the centering elements configured to orient the battery relative to the storage area or the receiving area in response to the lowering movement of the loading and unloading device.