| 摘要 |
PROBLEM TO BE SOLVED: To attach a bush for holding a cable always correctly for a case.SOLUTION: A plurality of cables 21 connected with a battery cell 3 penetrate a bush 30. The case 10 houses the battery cell 3, and holds the bush 30. An erroneous attachment prevention structure for preventing the bush 30 from being attached to the case 10 upside down relative to a desired orientation is provided in the bush 30 and/or the case 10. |
