BATTERY CELL ASSEMBLY AND BATTERY PACK INCLUDING SAME

A battery pack includes a pack housing, a battery cell assembly, and a lid is provided. The pack housing includes a base plate that has cooling channels disposed within, and side walls. The battery cell assembly is disposed on the pack housing. The lid is coupled to the side walls and includes another cooling channel. The battery cells of the battery cell assembly includes cooling fins disposed between each of the plurality of battery cells. Each cooling fin includes a contact part overlapping a respective battery cell, a heat emission part connected to the contact part and facing the lid, and a protection part overlapping the contact part.