Use PowerShell to see remaining battery run time

In this tip Microsoft Scripting Guy Ed Wilson shows how you can use Windows PowerShell to see the remaining battery runtime on your laptop.

Question: How can you use Windows PowerShell to determine how much time you have left on your battery on your laptop?

Answer: Use the Win32_Battery WMI class and query the EstimatedRunTime property. This technique appears here (NOTE: if your laptop is plugged in while you run the query, the results are inaccurate).

(Get-WmiObject win32_Battery).EstimatedRunTime

Ed Wilson is the bestselling author of eight books about Windows Scripting, including Windows PowerShell 3.0 Step by Step, and Windows PowerShell 3.0 First Steps. He writes a daily blog about Windows PowerShell called Hey, Scripting Guy! that is hosted on the Microsoft TechNet Script Center; for more PowerTips Check out the Hey, Scripting Guy! blog.

The above tip was previously published in an issue of WServerNews, a weekly newsletter from TechGenix that focuses on the administration, management and security of the Windows Server platform in particular and cloud solutions in general. Subscribe to WServerNews today by going to and join almost 100,000 other IT professionals around the world who read our newsletter!

Mitch Tulloch is an eleven-time recipient of the Microsoft Most Valuable Professional (MVP) award and a widely recognized expert on Windows Server and cloud computing technologies.  Mitch is also Senior Editor of WServerNews. For more information about him see


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