An exemplary embodiment of the present invention provides a rechargeable battery, including: an electrode assembly formed by disposing an electrode having coated regions and uncoated tabs at opposite sides of a separator; a case configured to accommodate the electrode assembly therein; a cap plate coupled to an opening of the case; and electrode terminals insert-molded into terminal holes of the cap plate to be connected to the uncoated tabs, wherein the electrode terminal includes: an external terminal portion configured to protrude outside of the cap plate; an internal terminal portion disposed within the cap plate to be connected to the uncoated tabs; and a connector configured to connect the external terminal portion and the internal terminal portion, and disposed in the terminal hole to be insulated by a molding resin material.