1, turn on the phone, find the settings on the home screen, and click Open.
2. In the current interface, find the battery and click Open.
3. In the battery interface, click Battery Health to view the maximum capacity. If the maximum capacity is 100, the battery is healthy; If it is 50, the battery is damaged by 50%.
The steps for viewing Android phones are as follows:
1. Download third-party software, such as AccuBattery, on Android phones.
2. After the installation is completed, click "Open" to view the battery loss.
Check the computer battery according to the following steps:
1. Click on the lower left corner of the screen, find the windows system, and click Open.
2. Locate the command prompt, right-click and select Open as Administrator.
3. Enter powercfg/battery report/output "c: \ battery _ report.html in the current window.
4. Click on my computer, open drive C, and click on the webpage named battery_report.html.
5. After opening, check the parameters named design capacity and full capacity, and the difference between them is the battery loss.