BATTERY PACK

Disclosed is a battery pack. The battery pack includes a case providing an inner space and having a base plate; a battery module installed on the base plate and including a rear end cover having a venting hole; a first venting channel configured to cover the rear end cover and having a first inlet hole in communication with the venting hole and a first outlet hole; and a second venting channel configured to cover one side of the battery module, coupled to the first venting channel, and having a second inlet hole in communication with the first outlet hole and a second outlet hole.