First, confirm the battery status in the Bios.
In Dell's standard Bios, you can see the status of the battery under "General-Battery Information". On this page, you can see the current charge and health status of the battery. As shown in the figure below, the battery charge is 9 1%, and the battery is in good health. In addition, you can see the status of the power adapter on this page.
In other versions of the Bios, you can confirm the health status of the battery in Advanced-Battery Health. As shown in the figure below, the notebook battery is running normally at present.
Secondly, confirm the battery health under the Dell hardware test program ePSA.
When you turn on the computer and see the Dell Logo, repeatedly hit the F 12 key of the keyboard, select Diagnosis or enter ePSA to enter.
In the main interface of ePSA, you can see the specific situation of the battery. As shown in the following figure, the battery health of this machine is 100%, and the current power consumption is 96%.
Third, SupportAssist system detection software.
Under SupportAssist, click hardware check on the home page, click system scan on the right, click scan specific devices, and then click the battery you want to scan.
After scanning, click View Detailed Report to view the battery name, PPID, model and other detailed information.
Take the battery shown in the figure as an example, the design capacity percentage is 97%, which means that the battery has produced a loss of 3% at present.
4. Generate the device battery usage report through the system command.
Take Win 10 system as an example, search for Windows PowerShell in the start menu bar, and right-click and select Run as administrator.
In the window of Windows PowerShell, enter powercfg /batteryreport and press enter, and the battery life report will be saved to the file path: c: \ windows \ system32 \ battery-report.html.
You can manually find and open this file through the browser, or directly enter battery-report.html in the PowerShell page and press enter, and the battery report will open automatically.
In the battery report, you can see the basic information of the battery, including the battery design capacity, full capacity and charging cycle.
In addition, you can also see the battery usage records in the last three days, including the specific time of being in active state and entering standby state.
Finally, it should be noted that batteries are consumables, and it is normal to have reasonable wear and tear.