| 摘要 |
<p>PROBLEM TO BE SOLVED: To make it possible to easily house secondary batteries in recesses even when there are variations in outer shapes of secondary batteries and inner shapes of the recesses of a case and prevent the secondary batteries from jouncing in the recesses.SOLUTION: Recesses 41 to which secondary batteries 2 are inserted are provided in a case A. At a peripheral wall part 41a of each of the recesses 41, a peripheral wall slit extending in a depth direction of the recess 41 is provided. At a bottom wall part 41b of each of the recesses 41, a bottom wall slit 41d continuing to the peripheral wall slit is formed.</p> |
