How to See What Apps Use the Most Power on an Android

1. Tap the Android device's touch-sensitive 'Menu' button.

2. Tap the 'Settings' option.

3. Tap the 'About Phone' option.

4. Tap the 'Battery Use' option to view a list of the applications, connections and tasks that are draining the device's battery. The ones that are using the most power will be listed first.