Rechargeable Battery

A rechargeable battery includes a case (26), an electrode assembly (10) in the case (26), at least one terminal portion (30) disposed at least partially inside the case (26), at least one current collecting member (50) electrically connecting the electrode assembly (10) and the terminal portion (30), the current collecting member (50) including a terminal coupling portion (52), and at least one insulation member (60) in the case (26). The insulation member (60) includes a current collecting member coupling portion (61) into which the terminal coupling portion (52) extends. The current collecting member coupling portion (61) supports at least a portion of the terminal coupling portion (52).