How to see what's using battery life on your iPhone or iPad
If your iPhone, iPod touch, or iPad is losing battery life faster than normal, it could be the result of an app or service using more power than it ought to be. Thanks to "battery shaming", introduced last year and significantly improved in iOS 9, you no longer have to wonder about which app or service it might be, or try to quit them all just to stop the drain. Now you can see exactly what's using your battery life and how.
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