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“Battery Limit” removed from UEFI, but now only charges up to 50%

Philippe 165 Reputation points
2025-08-09T05:16:07.6366667+00:00

“Battery Limit” mode has been removed from the UEFI on my Surface Pro (11th edition) and it still only charges up to 50 %. It seems last week there was an update (firmware update?) and the system still seems to be enforcing the 50 % limit automatically based on firmware behavior—even without a visible toggle.

I downloaded the firmeware, but this did not help: Download Surface Pro 11th Edition Drivers and Firmware from Official Microsoft Download Center

Can anyone help?

Philippe

Surface | Surface Pro | Power and battery

13 answers

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  1. John Carl Nazario 1,585 Reputation points Independent Advisor
    2025-08-09T15:04:11.5666667+00:00

    Hi Philippe,

    Thanks for sharing your issue.

    What you can try:

    1. Shut down your Surface.

    Press and hold Volume Up, then press and release Power.

    When the Surface logo appears, release Volume Up.

    In the UEFI menu, double-check that Battery Limit is truly off.
    See this link : https://learn.microsoft.com/en-us/surface/battery-limit

    1. Run Battery Report

    Open Command Prompt as Administrator.

    Type: powercfg /batteryreport

    This will generate a report in your user folder. It can help identify if the battery is misreporting its capacity.

    Helpful Links

    Microsoft’s official Battery Limit documentation

    This explains how Battery Limit works and what to do if it’s stuck:

    Battery Limit on Surface devices

    https://learn.microsoft.com/en-us/surface/battery-limit

     

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment” I’m here to assist!

    Best,
    Carl

  2. Thibaut 35 Reputation points
    2025-08-10T17:20:53.76+00:00

    May be an idea to better understand the problem

    There is a software for for Surface for enterprise

    "Surface Enterprise Management Mode (SEMM)"

    Seems to be able to remove items from BIOS

    Of course, my/our Surface are standard customer Surface, not business/enterprise Surface, but it looks like an "admistrator" has has used that to forbiden/canceled battery limit option

  3. Ben Caldwell 0 Reputation points
    2025-08-19T10:36:38.74+00:00

    This behavior on the Surface Pro (11th edition) is actually expected after recent firmware changes. Microsoft removed the manual Battery Limit toggle from UEFI, but the feature itself hasn’t disappeared—it is now managed automatically by firmware and Windows based on usage patterns.

    A few things you can try:

    Check Surface App (Windows Store)

    Open the Surface app and go to Device Information → Battery Settings.

      On newer models, the 50% charge cap is shown there as *“Battery Smart Charging”*. You should be able to turn it off manually.

  
  **Turn off Smart Charging**

  
     If the Surface app shows *“Battery Smart Charging”*, disable it.

     
        Sometimes you may need to plug in the device, leave it idle, and then toggle the setting for it to take effect.

        
        **Update Windows & Surface drivers**

        
           Ensure you’ve installed all updates via **Windows Update** (not just the firmware package from Microsoft’s site).

           
              Often, driver + firmware + OS updates must match to expose the correct UI options.

              
              **Reset Embedded Controller (EC)**

              
                 Shut down your Surface completely.

                 
                    Hold **Volume Up + Power** for about 15 seconds until the UEFI menu opens.

                    
                       Exit without changing anything. This forces the EC to reset and can clear odd charging limits.

                       
                       **If nothing helps**

                       
                          Unfortunately, if the firmware is enforcing the 50% cap, and the Surface app doesn’t let you toggle it, this may be by design in the latest update (to extend battery health). In that case, you may need to wait for a Microsoft patch or contact Surface Support.
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