The Xiaomi smartphone offers us a function for quick battery optimization, whereby the device automatically scans the background processes and the settings made in order to offer us optimization suggestions, which can then be deactivated if desired.

Android 10 (MIUI 12.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Battery & performance
Step 3:  Tap on  Optimize
Step 4:  Tap on  Add (XX) min
  1. Open the Settings
  2. Tap on Battery & performance
  3. Tap on Optimize
  4. Tap on Add (XX) min

Xiaomi Instructions