1. Open Settings, and then click Privacy and Security.
2. Then slide down and click Analyze and Improve.
3. Then click Analyze Data.
4. Go to the next page, click on the search box, enter log, and enter the search.
5. Select the file of today's date to open, and click Share in the upper right corner.
6. Click Battery Health in the pop-up page.
7. Waiting for data processing, you can see the battery charging times.