Samsung Galaxy Note9
Android 8.1
Extend the battery life
Some functions on your phone use a lot of power and therefore significantly reduce the battery life. You can reduce the power consumption by turning on low power mode.
1. 1. Find "Battery"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Device maintenance.
Press Battery.
2. 2. Extend the battery life
Press the required setting.
Press APPLY to turn on the function.
3. 3. Return to the home screen
Press the Home key to return to the home screen.