BATTERY PACK AND VEHICLE INCLUDING SAME

Disclosed is a battery pack and a vehicle including the same. The battery pack includes a plurality of battery modules in which a plurality of battery cells are stacked; a pack case in which the plurality of battery modules are accommodated; and a fastening member configured to fasten the pack case, wherein at least a portion of the fastening member is coupled to the pack case and is broken when a pressure inside the pack case increases.