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Repair information and guides for the fifth generation of iPhone. Model: A1387

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New battery life iPhone 4s

I replaced the battery on Friday and than let it charge overnight. Saturday morning I unplugged it and just let it sit the whole day. It was down to 20% 16 hours later. I charged it again to an indicated 100% and now 24 hours later without any use, it's down to 38%.

Is this normal for a new battery? Will it get better with more use? Or is there something else I need to know?

Thanks, Mark

Answer this question I have this problem too

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2 Answers

You could have a defective battery or it could also be the dock connector. Check it for debris or corrosion.

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I have found that the majority of replacement batteries that are availabe are garbage, and it's a complete lottery on purchasing reliable ones.

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mdcantgo will be eternally grateful.
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