Check your battery's current capacityĮvery portable PC ships with one or more batteries, whose capacity is measured in milliwatt hours or mWh. To save the daily details, open File Explorer, navigate to the %Temp% folder, move the battery report file to your Documents folder, and give it a new name.

Any information that's more than a few weeks old gets summarized into aggregate values covering a full week or month. Use the powercfg command with the /batteryreport switch to generate this HTML-formatted document.Įach time you generate a new battery report, it overwrites the previous one. (To save a few keystrokes, type batt and then press Tab to autocomplete the full filename.) To open the report immediately from the Command Prompt window, type the full report name, battery-report.html, and press Enter. That sequence generates the battery report and saves it in the current user's Temp folder.

Then, in the Command Prompt window, type the following commands, pressing Enter after each one (be sure to include the spaces between commands, arguments, and switches): To generate a battery report, start by opening a Command Prompt session: Press Windows key + R to open the Run dialog box, type cmd, and press Enter. Even if you're not deeply technical, you should be able to gather useful information from this report. This information is saved as an HTML document that you can view in any web browser.Įach battery report includes both tables and charts showing recent usage, usage history, battery capacity over time, and battery life estimates. Windows 10 includes a command-line tool that generates a detailed report showing information about battery usage for the current device over time. Assuming you meet those criteria, all of the following steps should work just fine. This article assumes you're using a portable PC designed for Windows 10, with a modern processor that's capable of entering the Connected Standby state, running a recent Windows 10 release. All you need is some knowledge about how your PC works with Windows 10. Reducing that anxiety doesn't require drugs or meditation. Over the years, Windows PCs have gotten considerably more capable of squeezing a full day of work out of a laptop battery, but there's still a certain level of anxiety that comes with disconnecting from a fixed power source. The best keyboards: Because you deserve better.

Not ready to upgrade to Windows 11? Do this instead.

Here's how you can still get a free Windows 10 upgrade.

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Battery optimizer for windows 10