| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique in which ribs or the like formed on a battery holder absorb impact from the outside.SOLUTION: In a battery holder, for example, a plurality of battery cell housing parts for housing a battery cell is formed, and a deformation part which elastically deforms according to transmission of impact from the outside and a space part allowing the deformation part to be elastically deformed are formed between a peripheral face of one battery cell housing part and a peripheral face of another battery cell housing part. |
