Why does the Xiaomi Pad Mini only charge to 80%?

The Xiaomi Pad Mini can charge only up to 80% when certain battery protection features are enabled. Battery Protection and Smart Charging are designed to limit full charging and manage the charging process intelligently, reducing stress on the battery and extending its overall lifespan.
To disable the Battery Protection and Smart Charging on the pad, please refer to the steps;
  1. Open the [Settings] App.
  2. Tap [Battery].
  3. Select [Battery protection].
  4. Disable [Battery protection] and [Smart charging].