| 摘要 |
A battery module of the invention includes: a battery having a positive electrode terminal, a negative electrode terminal, and a battery case; a cap having holes respectively corresponding to the positive electrode terminal and the negative electrode terminal and formed of an insulating member covering an end of the battery; and a protection portion to block at least one of the holes. When the cap is pressed and inserted into the end of the battery up to a predetermined amount or more, the positive electrode terminal or the negative electrode terminal protrudes from the cap through the protection portion.
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