How to turn on Battery Saver on Android

2 min read · 4 steps · Updated 1 October 2026

Short answer

Open Settings, tap Battery, tap Battery Saver and switch on Use Battery Saver. To make it start by itself, set a schedule at a battery percentage such as 20%.

Battery Saver darkens the screen theme, pauses apps in the background and slows some syncing, so the last part of your battery lasts much longer. You can switch it on by hand or let it start at a level you choose.

Menu names below are from Google Pixel phones on a recent Android version. Samsung, Xiaomi and other brands rename some of them, so the Samsung name is given where it differs. The pictures are simplified diagrams of the screen, not screenshots.

Step by step

  1. SettingsNetwork & internetConnected devicesAppsNotificationsBatteryStorageDisplay

    Open Settings and tap Battery

    Open the Settings app and tap Battery. On Samsung phones it is under Battery, or Device care then Battery.

  2. BatteryBattery usageBattery SaverAdaptive preferencesBattery percentageBattery health

    Tap Battery Saver

    On Samsung the same feature is called Power saving.

  3. Battery SaverUse Battery SaverSet a scheduleExtreme Battery SaverTurn off when charged

    Switch on Use Battery Saver

    The battery icon at the top of the screen changes colour and the phone switches to the dark theme.

  4. Battery SaverUse Battery SaverSet a scheduleExtreme Battery SaverTurn off when charged

    Set a schedule

    Tap Set a schedule and choose Based on percentage. Move the slider to the level where it should start, for example 20%. Leave Turn off when charged switched on so it stops by itself.

Good to know

The quick way: swipe down from the top of the screen twice and tap the Battery Saver tile. If it is not there, tap the pencil icon and drag it in.

Extreme Battery Saver on Pixel phones goes further and pauses most apps. Use it when you need the phone to last many more hours.

While Battery Saver is on, some apps only refresh when you open them, and "Hey Google" may stop listening.

In short: Settings, Battery, Battery Saver, switch it on, and add a schedule at 20%.

Sources
  • Google Android Help: Get the most life from your Android battery

Rules and prices change. Check the official source before you act.