A secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly and having an opening; a cap plate sealing the opening of the case, the cap plate electrically connected to the second electrode plate and having a short-circuit hole; an inversion plate arranged in the short-circuit hole; a first terminal plate electrically connected to the first electrode plate and spaced apart from the cap plate; and a fuse part comprising a first fuse and a second fuse spaced apart from each other in the first terminal plate.