BATTERY PACK AND VEHICLE INCLUDING SAME

The present disclosure provides a battery pack including: a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells and having a venting device provided on at least one side to discharge venting gas generated from the battery cell to the outside; and a cover member configured to at least partially cover the venting device and having multiple through-holes formed to allow the venting gas to pass therethrough, wherein an area of the multiple through-holes is configured to at least partially vary.