Patent ID: 8399111
Filing Date: 2013-03-19
Classification: H01M,Y02E

Abstract:
1. A battery pack, comprising: a bare cell having a pair of first side portions opposite to each other, a pair of second side portions opposite to each other, and a pair of plane portions opposite to each other, the second side portions and the plane portions being connected to ends of the first side portions; a protection circuit module electrically connected to the bare cell; an inner frame provided between the bare cell and the protection circuit module, the inner frame exposing one side portion of the pair of first side portions and the inner frame accommodating the bare cell; and an outer frame exposing the pair of plane portions, the outer frame accommodating the bare cell, the protection circuit module and the inner frame, with outer ribs which extend from the inner frame and extend away from the bare cell being formed at portions of the inner frame which are in contact with the pair of second side portions of the bare cell so that the outer frame is surrounded by the outer ribs.