Battery Pack and Device Including the Same

A battery pack comprising:

• a battery assembly including a plurality of cell units;
• and
• a pack case that houses the battery assembly in an inner space thereof,
• wherein each cell unit includes at least one battery cell and a cell cover that partially covers the at least one battery cell, and
• wherein each the cell cover comprises a first cover part that covers a first side surface of the at least one battery cell, a second cover part that covers a second side surface of the at least one battery cell opposite from the first side surface, a third cover part that connects a first end of the first cover part and a first end of the second cover part, and blocking parts that are respectively formed at a second end of the first cover part and a second end of the second cover part, the blocking parts blocking removal of the at least one battery cell from the cell cover.