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Is it good to let your iPhone 3GS battery run all the way down before you charge it?

should i let my iPhone battery run down below 10%? is it better than plugging the charger I'n at 20 or even 30%?

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You do not have to let it run down every time, so you CAN recharge it whether it is 20%, 30% or even 80%, but they recommend that for a lithium battery you recharge it to 100% then let it run down to 0% at least once a month.

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According to the apple website it is good to let your battery life to run out completely then charge at least once a month. http://www.apple.com/batteries/iphone.html

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your battery won't last one month without a charging. I Have an iPhone and It needs a charging half way through the day
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No you let it run out then fill it

But you do that once a month
You can charge it any time but ita good to let it die then charge it all the way
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Never hurts man. I run mine down all the time,I've had it over a year now and it fine

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I'm not sure I heard that any rechargeable batteries have a like some sort of memory cell where it causes it to either last longer or not but like I said I o Lu heard this I'm not sure if it's true or not

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No

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No because it erases a little memory each time. You should charge it the first time it says 20% battery and if not able then just don't use it unless necessary!

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I charge mine every night and it has no effect

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