The Oppo smartphone has a function with which we can optimize or reduce the battery consumption. The function recognizes large battery consumers and indicates the optimization potential in percent. The function deactivates, among other things, power-consuming apps, background processing or GPS.

Android 10 | ColorOS 7.0
Step 1:  Open the  Settings
Step 2:  Tap on  Battery
Step 3:  Tap on  Save power
Step 4:  Tap on  Extend battery
  1. Open the Settings
  2. Tap on Battery
  3. Tap on Save power
  4. Tap on Extend battery

Oppo Instructions