| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a battery pack in which a plurality of battery cells can be arranged in high density by being placed in multi stages.SOLUTION: A battery pack 11 includes: a plurality of battery cells 13 aligned adjacent to each other in the horizontal direction and aligned in two stages also in the vertical direction; a pair of bolt insertion blocks 15 projecting in the horizontal direction with a space therebetween below a battery cell side face 29a along the alignment direction of the battery cells 13; a pair of bolt fixing blocks 17 projecting in the horizontal direction with a space therebetween above the battery cell side face 29a; and a fixing bolt 27 for integrally fixing the two bolt fixing blocks 17 adjacent to each other in the two battery cells 13 adjacent to each other on a lower stage and the pair of bolt insertion blocks 15 in the battery cell 13 on an upper stage, respectively.</p> |
