This application provides a battery module, a battery pack, and a vehicle. The battery module includes batteries, a first end plate, and a second end plate. A first lug portion of the first end plate is provided with a first mounting hole. A second lug portion of the second end plate is provided with a second mounting hole. An area of a lower surface of the first lug portion is S1, a distance from a central axis of the first mounting hole to a center line of the battery module is d1, an area of a lower surface of the second lug portion is S2 and a distance from a central axis of the second mounting hole to the center line of the battery module is d2, where d1>d2, and S1