| 摘要 |
A fixing mechanism includes: a battery holder comprising a hollow sleeve, the sleeve defining a chamber to receive a battery and an opening extending along a direction substantially parallel to a center axis of the battery holder; and a resilient battery cover sealing the opening of the battery holder. The sleeve further includes a latching portion defined in an inner surface thereof adjacent to the opening; and the resilient battery cover further includes at least one latching hook locked with the latching portion.
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