A battery pack , comprising: a plurality of battery cells , each battery cell having a positive electrode and a negative electrode on a top surface of the battery cell , the plurality of battery cells being arranged in a first direction and in a second direction crossing the first direction; a protective circuit module , the protective circuit module including: a printed circuit board on the plurality of battery cells , and a plurality of conductive tabs on the printed circuit board and electrically connecting the plurality of battery cells ; and a case accommodating the plurality of battery cells and the protective circuit module , wherein each of the conductive tabs include: a substrate connector connected to the printed circuit board , a cell connector electrically connected to a battery cell of the plurality of battery cells , and a fusible link extending from the substrate connector and having a width that is smaller than that of the substrate connector (321W, 322 W, 331W, 332 W, 341W, 342 W) characterized in that the printed circuit board includes a plurality of throughholes passing therethrough, the plurality of throughholes being aligned with top portions of the plurality of battery cells , wherein the plurality of conductive tabs pass thorough the throughholes and are electrically connected to the plurality of battery cells , respectively. a plurality of battery cells , each battery cell having a positive electrode and a negative electrode on a top surface of the battery cell , the plurality of battery cells being arranged in a first direction and in a second direction crossing the first direction; a protective circuit module , the protective circuit module including: a printed circuit board on the plurality of battery cells , and a plurality of conductive tabs on the printed circuit board and electrically connecting the plurality of battery cells ; and a printed circuit board on the plurality of battery cells , and a plurality of conductive tabs on the printed circuit board and electrically connecting the plurality of battery cells ; and a case accommodating the plurality of battery cells and the protective circuit module , wherein each of the conductive tabs include: a substrate connector connected to the printed circuit board , a cell connector electrically connected to a battery cell of the plurality of battery cells , and a fusible link extending from the substrate connector and having a width that is smaller than that of the substrate connector (321W, 322 W, 331W, 332 W, 341W, 342 W) characterized in that a substrate connector connected to the printed circuit board , a cell connector electrically connected to a battery cell of the plurality of battery cells , and a fusible link extending from the substrate connector and having a width that is smaller than that of the substrate connector (321W, 322 W, 331W, 332 W, 341W, 342 W) characterized in that the printed circuit board includes a plurality of throughholes passing therethrough, the plurality of throughholes being aligned with top portions of the plurality of battery cells , wherein the plurality of conductive tabs pass thorough the throughholes and are electrically connected to the plurality of battery cells , respectively. <EOS>