Testing consisted of full battery discharge with a mixture of active use and modern standby.

Testing conducted by Microsoft in February 2021 using preproduction Windows 10 software and preproduction 13.5” Intel® Core™ i5, 512GB, 8 GB RAM device.

Up to 17 hours of battery life based on typical Surface device usage.

Surface Laptop 4 13.5” Intel® Core™ i5 512GB, 8 GB RAM.

Battery life varies significantly with settings, usage and other factors. All settings were default except screen brightness was set to 150nits with Auto-Brightness disabled.

Testing conducted by Microsoft in February 2021 using preproduction Windows 10 software and preproduction 15” AMD Ryzen™ 7 Microsoft Surface® Edition processor, 8GB RAM device.

Up to 17.5 hours of battery life based on typical Surface device usage.

Surface Laptop 4 15” AMD Ryzen™ 7 Microsoft Surface ® Edition processor 8 GB RAM.

The active use portion consists of (1) a web browsing test accessing 8 popular websites over multiple open tabs, (2) a productivity test utilising Microsoft Word, PowerPoint, Excel, and Outlook, and (3) a portion of time with the device in use with idle applications. Testing conducted by Microsoft in February 2021 using preproduction Windows 10 software and preproduction 13.5” AMD Ryzen™ 5 Microsoft Surface® Edition processor, 8GB RAM device.

Up to 19 hours of battery life based on typical Surface device usage.Surface Laptop 4 13.5” AMD Ryzen™ 5 Microsoft Surface ® Edition processor 8 GB RAM.See aka.ms/SurfaceBatteryPerformance for details. Battery life varies significantly based on usage, network and feature configuration, signal strength, settings and other factors.* Microsoft 365 and some software and accessories sold separately.

Surface go 2 win11