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HT1476: iPhone and iPod touch: Charging the battery

Learn about iPhone and iPod touch: Charging the battery

HT1476 Is it recommended to let your IPhone battery die before charging it?

145 Views 2 Replies Latest reply: Nov 26, 2013 6:23 PM by Ramjet7 RSS
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Nov 26, 2013 6:06 PM

Which is the best way of managing the way you charge your IPhone? I've heard that it is by letting it run out of battery, and until then charging it until it reaches  100%. Though some say that it should be done by plugging it when it's 1% and unplugging it when its almost a 100%, and doing the previous method once a month.

iPhone 5s, iOS 7.0.4
  • joel406 Level 2 Level 2 (170 points)

    Once your battery reaches 20% you have basicly "reset" the battery.


    Some people take it lower but I don't think it's nesassary.


    This is supposed to condition your battery and promote longer life.

  • Ramjet7 Level 1 Level 1 (95 points)

    The battery is a lithium type one. One of the many advantages of a lithium battery is that is doesn't build up a memory of it's high and low points. Consequently you can charge it whenever you want to knowing you are not going to damage it.


    However, having said that, some manufacturers recommend you should periodically allow the battery to completely drain then charge it overnight. The battery has a chip which prevents it from going completely dead as a lithium needs to have a minimal amount of charge to stay alive, if it goes beyond that point the battery dies.


    All batteries will eventually die and a rule of thumb is that most batteries operate to an optimum level up to 600 charges. Anything beyond that is when you will notice the battery does not hold its charge as much as it used to.


    Best advice I can give is just to charge it when you need to and allow it to completely discharge once every 3 months and charge it overnight.


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