BATTERY MODULE, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Disclosed is a battery module, and a battery pack and a vehicle including the battery module. The battery module according to an embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells are stacked; a case configured to accommodate the battery cell stack; a circuit board disposed at the case; a mounting hole formed in the circuit board so that a fastening member is inserted therein to fix the circuit board; and an expansion hole configured to extend from the mounting hole.