| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack capable of preventing generation of short circuit of a battery via a leaked electrolyte.SOLUTION: A battery pack 100 comprises a plurality of cylindrical batteries 1, and a holder 10 holding the batteries 1. The holder 10 has a bottomed box-like case 11 opening at one end, and a plurality of cylindrical ribs 12 arranged on an inner bottom face of the case 11. The plurality of ribs 12 are arranged at least in one row. The lower parts of the batteries 1 are inserted into the ribs 12 respectively, and the plurality of batteries 1 include at least a plurality of batteries connected in series. Each rib 12 has a notch part 7 where a height of a side wall of the rib 12 becomes lower than the other portions, at a portion separated in a circumferential direction from opposed portions of the ribs 12 adjacent to each other. |
