A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a first current collector plate electrically connected to the first electrode; a case accommodating the electrode assembly and having a top opening; a cap assembly including a cap plate sealing the top opening of the case; and a first terminal electrically connected to the first current collector plate and passing through and protruding above the cap plate. The first terminal includes: a first fastening terminal electrically connected to the first current collector plate and passing through and protruding above the cap plate, a first electrode terminal, one end of which is coupled to the first fastening terminal on the cap plate; and a first fixing member coupling another end of the first electrode terminal and electrically connecting the first electrode terminal and the cap plate to each other.