BATTERY MODULE AND BATTERY PACK

A battery module and a battery pack, where the battery module has a first direction, a second direction and a third direction that intersect with each other pairwise. The battery module includes a plurality of single cells and a protective casing. The protective casing includes a top cover, a first end plate, a second end plate and a plurality of side plates, where the first end plate and the second end plate are arranged at intervals along the first direction; the plurality of side plates are arranged at intervals along the second direction and connected between the first end plate and the second end plate; the top cover is connected to a same side of the first end plate, the second end plate and the two side plates along the third direction, and together they define an accommodating cavity.