Patent ID: 6899972

Claim:
A secondary battery comprising: a battery unit in which a cathode plate and an anode plate, and having an electrode lead extending therefrom; a can provided as a housing for the battery unit, and into which an electrolyte is injected; a cap assembly bound to an upper portion of the can; and thermal protector means installed in the can for electrically connecting the electrode lead from the battery unit to an electrode terminal, and for cutting off a current flow when the battery unit is overcharged; wherein the thermal protector means comprises a body, a fuse mounted on the body, a plurality of leads each connected to a respective end of the fuse, and a connector which is electrically connected to one of the plurality of leads; and wherein the body has a mount area for the fuse, and has a surface area slightly greater than a surface area of the can so as to be press-fitted into the can.