The action Set Battery Saver Mode turns on the battery saver mode of the device (Android 5+). Battery saver mode can not be enabled when the device is charging.

Warning: This function does not work for manufacturer specific battery saving modes like Samsungs (Ultra-)energy saving mode or Sony and HTC specific modes. Please use action Set System Setting on such devices.

Warning: This function requires root access, is not officially supported by Android and might not work on all devices.
Note: adb can be used on some versions of Android to grant the permissions to execute the action without root:

1. Install adb on a computer (search internet on how to install adb)
2. enable USB Debugging in System settings -> Developer options on your Android device
3. connect your Android device to the computer
4. execute following command in a terminal: adb shell pm grant ch.gridvision.ppam.androidautomagic android.permission.WRITE_SECURE_SETTINGS

• Turn on the battery saver at night when no charging adapter is available.