Rechargeable battery assembly and pack including the same

One aspect of the present invention is to provide a rechargeable battery assembly (100) that can assure high-current discharging characteristic by applying a plurality of cells and realize uniform current distribution to each cell. A rechargeable battery assembly (100) according to an embodiment of the present invention includes a plurality of cells (10), each formed of a rechargeable battery, first and second holders (21, 22) receiving the cells (10) and coupled to each other, a first tab connecting first terminals (11) of the cells (10) in parallel in the first holder side, and a second tab (32) connecting second terminals (12) of the cells (10) in parallel in the opposite side of the first tab (31), and first distances L1 from respective centers of the first terminals to a connection hole formed in a first center (C1) of the first tab (31) are set to be equivalent to each other.