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I often like to charge my iPhone for long periods at a time (like say when I'd get home I will just plug it into the charger regardless of how much battery there is left).

Will this spoil my phone by overcharging or will it in any way, degrade my phone?

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    Super User is not for questions about mobile devices as per the FAQ. Jun 12, 2011 at 1:14
  • Flag it for mod attention, and a mod will see it and move it for you. Jun 12, 2011 at 1:48

2 Answers 2

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An iPhone (in working order) stops charging when it reaches 100%, even if you leave it plugged in. Or are you perhaps asking about a malfunctioning iPhone, where for some reason this cut-off is not working?

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  • so by stops charging do you mean to say its fine to leave it plugged in as long as we like? (i was thinking as long as its connected, even if its not charging, there is still a transfer of electricity or smt)
    – Pacerier
    Jun 12, 2011 at 3:37
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    You're thinking of "trickle charging", which is pulling just enough energy to keep the battery topped off as well as run the phone's functions so it's not using the battery. That's perfectly okay; my iPhones have charged like that for years and are fine. Jun 12, 2011 at 14:13
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It's fine to leave the battery plugged in after the counter reads 100%. Apple's official iPhone Battery guide doesn't mention overcharging the lithium-ion in every iPhone.

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