Microsoft Fixes Battery Estimation Issues on Surface Pro 9

Microsoft has announced a new firmware update specifically for the Surface Pro 9 models that utilize Intel processors. As is typical with Surface firmware updates, this one brings a range of crucial hardware enhancements and fixes.

The recent update addresses a noteworthy issue experienced by Surface Pro 9 users—their devices would unexpectedly shut down due to incorrect battery life predictions. There’s nothing more frustrating than witnessing your computer shut off while indicating it still retains 30% battery power.

Below is the official changelog:

This update is applicable to Surface Pro 9 devices with Intel processors running Windows 10 October 2022 Update, Version 22H2 or higher.

Improvements and fixes:

Patches security vulnerabilities to protect devices against potential threats.

Fixes an issue causing devices to shut down unexpectedly due to faulty battery life estimation.

Here are the newly released drivers:

Windows Update Name	Windows Device Manager
Surface – Firmware – 6.301.139.0	Surface System Aggregator – Firmware

Additional details regarding the release include:

Supported Configurations	Surface Pro 9 with Intel processors
Supported Windows Versions	Windows 10 version 22H2 and Windows 11 version 22H2 and later
Update Size	742 MB (manual installation required)
Additional Steps	No additional installation steps are necessary.
Known Issues	There are currently no reported issues with this update.

Your Surface Pro 9 is set to automatically download available updates, but you can expedite this process by navigating to Settings > Windows Update, then clicking the “Check for updates”button. Alternatively, you can visit the official Surface support page to manually download the update package. As a precaution, ensure you back up important files before proceeding with the firmware update, as Microsoft does not provide an option to reverse Surface firmware updates. It’s always better to be safe.

All configurations of the Surface Pro 9 are backed by a six-year support lifecycle, which commenced on October 25, 2022, and will continue until October 25, 2028.

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