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Question:

Mobile phone battery for no reason thicker?

The battery is thick! The lid is not covered

Answer:

You this is the battery drum bag phenomenon. This may be the purchase of a poor battery, the protection circuit design is not good, or the use of a poor charger caused.
May 9, 2017
It is best to replace the battery pack immediately, a serious drum may cause the battery to explode.
May 9, 2017
For the usual lithium batteries, to keep at room temperature conditions, to avoid light and overheating environment once the battery used to deformation, drums, etc. must be even if the treatment can not be forced to use.
May 9, 2017

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