To generate a battery report in Windows, open Command Prompt as administrator by searching for "cmd", right-clicking it, and selecting "Run as administrator"; then type "powercfg /batteryreport" and press Enter; the report is saved as an HTML file at a specified path, typically in your user folder; navigate to the location shown in the output, such as "C:\Users\YourUsername\battery-report.html", and open the file in a web browser to view details including battery installed status, design vs full charge capacity indicating degradation, recent usage patterns, historical battery consumption, and discharge rates; optionally, save the report to a custom location using "powercfg /batteryreport /output "C:\battery-report.html"" to store it directly on the C: drive or another preferred path; this built-in tool provides a complete analysis of your laptop’s battery health and performance without needing third-party software.
Generating a battery report in Windows is a simple process that gives you detailed information about your laptop’s battery health, usage patterns, and capacity. Here’s how to do it:

Open Command Prompt as Administrator
- Press Windows S to open the search bar.
- Type "cmd" or "Command Prompt".
- Right-click on Command Prompt and select "Run as administrator".
- You can also press Windows X and choose Command Prompt (Admin) or Windows Terminal (Admin) if you're using a newer version of Windows.
Run the Battery Report Command
In the Command Prompt window, type the following command and press Enter:
powercfg /batteryreport
This command generates a battery report and saves it automatically as an HTML file.

Locate the Battery Report
After running the command, Windows will display a message showing where the report was saved. It usually looks like this:
Battery life report saved to file path:
C:\Users\YourUsername\battery-report.html
To open it:
- Navigate to that folder in File Explorer.
- Double-click the battery-report.html file to open it in your default web browser.
Alternatively, you can type the full path shown in the output directly into your browser or File Explorer.
What’s in the Battery Report?
The report includes useful details such as:
- Battery installed: Whether your system has a built-in battery.
- Design capacity vs. Full charge capacity: Shows how much your battery can hold compared to when it was new. A big difference means degradation.
- Recent usage: Timeline of when the device was on battery vs. plugged in.
- Battery usage over time: Historical data showing power draw patterns.
- Usage discharge rates: How quickly the battery drains under different conditions.
This is especially helpful if you’re troubleshooting short battery life or suspect your battery is wearing out.
Optional: Save the Report to a Custom Location
If you want to save the report somewhere easier to find, use:
powercfg /batteryreport /output "C:\battery-report.html"
This saves the file directly to your C: drive (or any path you specify).
That’s it. The battery report is a built-in, no-cost way to check your laptop’s battery health without third-party tools. Just run the command, open the HTML file, and review the details.
The above is the detailed content of How to generate a battery report in Windows. For more information, please follow other related articles on the PHP Chinese website!

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