This article will show you how to use Battery Saver Mode on an Android phone and how to set it to activate automatically.
How to Enable Battery Saver Mode in Android 5.0
Battery saver mode is a valuable option if you want to extend your phone’s battery life before you have to reach a power source to charge it. It’s also easy to enable. Here’s where to look.
Scroll down and tap Battery.
Tap the switch next to Power saving mode.