https://www.windowscentral.com/dell-xps-13-9360-firmware-update-brings-battery-life-improvements-and-more
Dell XPS 13 (9360) firmware update brings battery life improvements and more | Windows Central
Dec 21, 2016 - A new BIOS update is now available for the Dell XPS 13 (9360) that should bring greater battery life, among other changes.
dell xps 13 9360