Patent ID: 9553287
Date: 2017-01-24
CPC Classifications: H01M,Y02E

Claim:
1. A battery pack comprising: a plurality of bare cells electrically connected to one another; and a housing comprising a bottom portion accommodating the bare cells therein, a middle portion mounted on the bottom portion, and a top portion on the middle portion, wherein the top portion comprises a first fastening portion, and the middle portion comprises a second fastening portion facing the first fastening portion, wherein at least a portion of the first fastening portion or the second fastening portion is spaced apart from the other of the first fastening portion or the second fastening portion by a partition wall to define a space between the first and second fastening portions, wherein the battery pack further comprises a buffer member in the space between the first and second fastening portions, wherein the bottom portion comprises a box-shaped accommodating portion including an open side to accommodate the bare cells; and a third fastening portion at a perimeter of the accommodating portion, and wherein the third fastening portion faces the second fastening portion.