RECHARGEABLE BATTERY PACK

A rechargeable battery pack is disclosed, and the rechargeable battery pack includes: a cell assembly configured to include a plurality of battery cells and having electrode terminals each including a first electrode terminal and a second electrode terminal protruding upward from the respective battery cells, a frame portion configured to accommodate the cell assembly; and a bus bar module configured to include a plurality of bus bars positioned at an upper portion of cell assembly and electrically connecting at least two electrode terminals to each other. Herein, the bus bar module includes: a first bus bar module configured to include a plurality of bus bars electrically connecting the electrode terminals to each other at a first side of the cell assembly; and a second bus bar module configured to include a plurality of bus bars electrically connecting the electrode terminals to each other at a second side of the cell assembly.