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.