A rechargeable battery including an electrode assembly including a positive electrode and a negative electrode; a case containing the electrode assembly; a terminal electrically connected to the electrode assembly; a current collecting member fixed to the electrode assembly; and a connection member electrically connecting the electrode assembly and the terminal, and the connection member includes a first end fixed to one of the current collecting member or the terminal, a second end spaced apart from the first end and contacting the other of the current collecting member or the terminal, and a fuse portion between the first end and the second end, the fuse portion having a smaller cross-sectional area than a surrounding portion of the connection member.