Surface Laptop users are getting a firmware update today that improves battery reliability but not necessarily improving battery life.
“Today we’ve released a new firmware update for Surface Laptop,” Microsoft’s Brandon Records writes. “This update includes new firmware for Surface System Aggregator Firmware which improves battery reliability.”
Surface Laptop, which shipped with Windows 10 S boasted up to 14 hours of use on that specific version. The update should be visible and available via Windows Update. You can also access it here the Surface Laptop Drivers and Firmware download set..
Source: Thurrott.com