November 02, 2012, 3:17 PM — Here's how you can turn down the screen brightness on your Android device for longer battery life.
1. Go to Settings.
2. Tap on Display in the Device section.
3. Tap on Brightness.
4. Adjust your brightness to a lower level.
For more information, see the original article at the link below.
10 Tips to Make Your iPhone & Android Battery Last 8 Tips | Gotta Be Mobile