Use the battery diagnostic tool that comes with Xiaomi 9.
Xiaomi 9 comes with a battery diagnosis tool, which can help users understand the health status of the battery. The specific operation steps are as follows:
Enter the "Settings" menu and select "Battery and Performance";
Select "Battery Health";
In the battery health page, you can see the battery capacity, voltage, temperature and other information, as well as the battery health percentage.
Use third-party battery diagnostic tools
In addition to the battery diagnostic tools that Xiaomi 9 comes with, you can also use third-party battery diagnostic tools to detect the battery health. Commonly used battery diagnostic tools include AccuBattery and BatteryLife, which can provide more detailed battery information and health assessment.
Observe the service life and performance of the battery.
The service life and performance of the battery can also reflect the health status of the battery. If the service life of the battery is obviously shortened, or problems such as power failure and fever often occur during use, it is likely that the battery has aged or been damaged.
Through the above methods, users can accurately understand the battery health status of Xiaomi 9, so as to take corresponding measures, such as replacing batteries and optimizing usage habits. To extend the battery life of the mobile phone and improve the experience of the mobile phone.