Huawei P30
Android 9.0
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"
Press Settings.
Press Battery.
2. 2. Extend the battery life
Press the indicator next to the required setting to turn on the function.
3. 3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.