A secondary battery comprising: a cylindrical bare cell (110,410,510) including a cylindrical can having a cylindrical side wall, and an electrode cap coupled to an end of the cylindrical can, the cylindrical can and electrode cap being insulated from each other and forming first and second electrodes, respectively, the secondary battery further comprising a protection circuit module (120, 220) coupled to an outer surface of the cylindrical bare cell, the protection circuit module (120, 220) including a circuit board (121, 221) facing the electrode cap, the circuit board (121, 221) having a first electrode tab (130a, 130b, 230a, 230b) and a second electrode tab that electrically connect the circuit board to the respective first and second electrodes, wherein first electrode tab (130a, 230a) includes a portion (132a, 232a) extending away from the circuit board, characterised in that said portion (132a, 232a) is coupled to the side wall of the cylindrical can, in that the secondary battery comprises a top case (150,450,550,650) having a cover plate and a side wall extending from the cover plate (151,451,661) and, a bottom case (160,460,560,660), the cylindrical bare cell (110,410,510) being received in said top case (150,450,550,650) and bottom case (160,460,560,660) such that the side wall of the top case (150,450,550,650) extends over said portion (132a, 232a) of the first electrode tab that is coupled to the side wall of the cylindrical can such that said portion (132a, 232a) is located between the side wall of the cylindrical can and the side wall of the top case (150,450,550,650), and in that the secondary battery comprises a cut-out section (221a, 221b) in the circuit board adapted to expose the extending portion of the first electrode tab (230a, 230b). a cylindrical bare cell (110,410,510) including a cylindrical can having a cylindrical side wall, and an electrode cap coupled to an end of the cylindrical can, the cylindrical can and electrode cap being insulated from each other and forming first and second electrodes, respectively, the secondary battery further comprising a protection circuit module (120, 220) coupled to an outer surface of the cylindrical bare cell, the protection circuit module (120, 220) including a circuit board (121, 221) facing the electrode cap, the circuit board (121, 221) having a first electrode tab (130a, 130b, 230a, 230b) and a second electrode tab that electrically connect the circuit board to the respective first and second electrodes, wherein first electrode tab (130a, 230a) includes a portion (132a, 232a) extending away from the circuit board, characterised in that said portion (132a, 232a) is coupled to the side wall of the cylindrical can, in that the secondary battery comprises a top case (150,450,550,650) having a cover plate and a side wall extending from the cover plate (151,451,661) and, a bottom case (160,460,560,660), the cylindrical bare cell (110,410,510) being received in said top case (150,450,550,650) and bottom case (160,460,560,660) such that the side wall of the top case (150,450,550,650) extends over said portion (132a, 232a) of the first electrode tab that is coupled to the side wall of the cylindrical can such that said portion (132a, 232a) is located between the side wall of the cylindrical can and the side wall of the top case (150,450,550,650), and in that the secondary battery comprises a cut-out section (221a, 221b) in the circuit board adapted to expose the extending portion of the first electrode tab (230a, 230b).