| 摘要 |
A battery unit comprises a casing and a battery module disposed inside the casing. The battery module includes a power input/output portion explored from the casing. The power input/output portion has at least one conducting portion and the conducting portion has a positioning structure. The positioning structure and a metal conducting piece of an external electronic device can fix to each other so that the problem of the sudden power-disconnection which is resulted from the shifting of the metal elastic piece or the conducting pin is solved.
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