Modern Windows versions come with a nice feature to create a power efficiency report. It will help you to see statistics about your power configuration with a detailed report.
Earlier, we showed you how you can generate a Battery report in Windows 10 and Windows 8. The power efficiency report complements the battery report. While the Battery report feature first appeared in Windows 8, the Energy report can be generated in Windows 7 and later.
- Open an elevated command prompt.
- Type the following command:
- Now, open the file created by powercfg in your favorite web browser.
Note: It may not open in Opera which gives a "file not found" error message if the report HTML is located in the system32 directory. Either move the report file or open it with another browser.
The report includes 4 sections with various details about your device and its battery.
The next section titled Errors has a red background color for some rows.
The next section, Warnings, lists processes which have significant processor utilization and applications which are affecting system timers or timeouts.
The last section is Information.
This energy report is useful when you need to know if your system is configured correctly to balance power consumption with performance. It will give you a better understanding of which settings exactly you need to change to extend the device battery life.
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