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Question: Are the battery life apps reliable ?

Before calibration my battery health was 73%, after calibration its 63% ?!

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Nov 16, 2017 10:39 AM in response to venomx92 In response to venomx92

They are as accurate as can be expected. After a battery recalibration, the results may take some time to read (somewhat) properly...


Don't stress on the numbers/results too much. The battery readings can be affected by current battery voltage/temperature/load/etc. The results can vary widely...I've seen many discrepancies in the results.

Nov 16, 2017 10:39 AM

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Nov 16, 2017 10:45 AM in response to venomx92 In response to venomx92

The only thing you can calibrate is the battery sensor, no the battery.


The only battery app that I've seen recommended on this board by people I trust is one called Battery Life. It doesn't claim to improve the health of your battery.

Nov 16, 2017 10:45 AM

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Nov 16, 2017 10:50 AM in response to venomx92 In response to venomx92

venomx92 wrote:


Thanks guys, due to the dismal battery life of my iphone 4s ive ordered an SE, hopefully this one will be better !

In all honesty, if you still have the original battery in your iPhone 4, there's not much to be done other than replace the battery or, as you've decided, replace the phone. Batteries don't last forever.


Enjoy your new phone!

Nov 16, 2017 10:50 AM

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Nov 16, 2017 11:17 AM in response to IdrisSeabright In response to IdrisSeabright

IdrisSeabright wrote:


The only battery app that I've seen recommended on this board by people I trust is one called Battery Life. It doesn't claim to improve the health of your battery.

Agreed. It gives you the raw info (if you're not on iOS 10 or 11 I believe) but does not make any wild claims as to it's functionality. Do what you will with the info it provides.

Nov 16, 2017 11:17 AM

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Nov 23, 2017 9:06 AM in response to venomx92 In response to venomx92

There must be some accuracy to it, as my refurbished iphone 4s had 60-70% and my brand new SE has 100%

Nov 23, 2017 9:06 AM

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Question: Are the battery life apps reliable ?