Patent ID: 8389140

Claim:
A battery pack for a mobile terminal, the battery pack configured for installation of an IC chip containing finance information, the battery pack comprising: a bottom casing which has a bottom outer face engageable with a battery housing compartment of said mobile terminal, and a battery cell container holding therein a battery cell for said mobile terminal; a printed circuit board installed above said battery cell in said battery cell container; a top casing covering said battery cell container from above and engaged with an upper part of said bottom casing while securing a space above said printed circuit board, the space having an opening; a palette having an IC chip holder for holding the IC chip, said palette insertable into and extractable from said space through said opening; and a connector for electrically connecting said IC chip and said printed circuit board when said palette equipped with said IC chip is inserted into said space; wherein said bottom casing further includes side faces extending upwardly from the bottom outer face and defining the battery cell container together with the bottom outer face; and one of the side faces of the bottom casing corresponds to the opening of the space and includes a groove containing therein a foreign material protector; and the foreign material protector contacts the palette when said palette is inserted into said space.