Keeping your phone’s battery alive is a constant battle. To thwart misbehaving apps and excessive drain, Google has added a number of energy-saving features to Android over the past few years. Here’s how they work, and how to tweak the settings t

Back in Android 5.0 Lollipop, Google introduced a feature called “Battery Saver” to eke a bit more life out of your phone when it’s almost drained. When you enable Battery Saver mode, Android throts background data usage, and reduces things like vibration in order to conserve juice. This makes your phone a bit less convenient to use—it’ll run slower and notifications may not come through—but that’s better than your phone being completely dead.

Android battery settings
Battery settings
You can turn Battery Saver mode on and off from Settings > Battery.Whitson Gordon

You can turn on Battery Saver mode at any time. Just head to Settings > Battery on your phone and flip on the Battery Saver switch.

While you're in the Battery settings, if you tap Battery Saver, you'll also see an option to turn on this mode automatically when your phone reaches 15% or 5% battery