How To Tell What Apps Are Draining My Battery. In Android Pie go to Settings Battery More Battery Usage. You can also see whether an app has been using battery power to update in the background.

Thats how much power they drain. Tap Battery Battery usage. The percentage figures on the side of each app tells how much battery the app has consumed for the duration of time you seek be it 24 hours on 10 days.
Turn on your Galaxy S7 or Galaxy S7 Edge.
Or you can also see system usage by tapping. Wait a few seconds then you will see the percentage of battery each app has used lately. Here you can see which apps have used the most. You can also see whether an app has been using battery power to update in the background.
