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Battery loses 20% overnight on standby

Hello, I just noticed that my iphone battery lost 20% overnight on standby (11pm - 7am) I made sure I had wifi and bluetooth turned off. I only have one gmail push account that fetches every hour. Everything else is at battery optimized settings. I just wanted to know if this battery loss on standby is normal? Thanks!

iPhone 4, iOS 4

Posted on Feb 16, 2011 6:44 AM

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19 replies

Feb 23, 2015 5:17 AM in response to IdrisSeabright

I'm going to go out on a limb and assume they meant 'bug'.

And I know of no app that does a better job of reporting the correct percentage of the device's battery charge then the built in iOS function.

In fact, any such app can only access what the iOS allows it to access in the first place. So, any 'battery reporting app' is getting the data from the same source as the built-in iOS battery percentage indicator. By definition, a 'battery app' cannot have more accurate data then the native function, because the native function is directly connected, and the 'battery app' just adds another step in the chain.

Battery loses 20% overnight on standby

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