How to limit charging to 100% on the Redmi Note 12?

The Redmi Note 12 comes with an Optimized charging feature that helps manage battery health. This feature automatically adjusts the charging process, so the phone charges to 100% only when necessary, rather than charging to full capacity every time.
To limit charging to 100% on the Redmi Note 12, please refer to the following steps:
1. Open the [Settings] APP on your phone;
2. Scroll down and tap [Battery];
3. Select [Battery protection]; 
4. Tap [Optimized charging], and turn on [Nighttime charging protection]. It will adjust charging duration automatically to slow down battery aging.
Note:
The above is the system method to limit the charging percentage, you can also choose to unplug the charger to manually control it according to your needs.