Patent ID: 8679657

Claim:
A battery pack comprising: a plurality of battery cells; a protective circuit module electrically connected to the battery cells; a case including a lower case in which the battery cells and the protective circuit module are mounted, and an upper case coupled to the lower case; a cell tab electrically connected to electrode terminals of the battery cells and extending to an outside of the case; a protective circuit tab electrically connected to the protective circuit module and extending to the outside of the case; and a connection tab formed solely and entirely at the outside of the case and electrically connecting the cell tab and the protective circuit tab, wherein the cell tab includes protrusions exposed to the outside of the case, the protective circuit tab includes coupling parts connected to the protection circuit module, extending parts wrapping around an in direct contact with a portion of the battery cell and connected to the coupling parts, protruding parts connected to the extending parts exposed to the outside of the case, and the connection tab electrically connects the protrusions and the protruding parts.