A secondary battery is disclosed. The secondary battery includes a cylindrical bare cell having a cylindrical can, and a cap assembly coupled with the cylindrical can. The cap assembly forms a first internal terminal and the cylindrical can forms a second internal terminal. The secondary battery also includes a protective circuit module separated from the cap assembly, connected to the cap assembly by a first connecting tab, and connected to the cylindrical can by a second connecting tab. The secondary battery also includes a first external terminal on a top of the PCM; and a second external terminal electrically connected to the PCM and located on a bottom surface of the cylindrical can.