does charging overnight ruin battery?

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4 Answers from the Community

  • Best Answer:

    No it does not the iPhone contains a special type of battery that slows the rate of charging when it reaches closet to full capacity, once full it uses power from the wall to fetch email and stuff and when disconnected it uses power from the battery

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  • No. iPhone and iPad are intelligent enough to stop charging when battery reaches 100%. It will auto resume charging when battery naturally discharges to ~98% and then stops again.

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  • Once your device is done charging it stops the current from coming in to prevent it from overcharging. Eventually though it will noticeably degrade. So if you do it every so often, not everyday your battery will be fine.

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  • No !
    Apple has smart technology to stop charging your devices when it is fully charged !

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