Testing consisted of full battery discharge with a mixture of active use and modern standby. Testing conducted by Microsoft in August 2022 using preproduction software and preproduction SQ® 3, 128/256/512GB, 8/16GB RAM device. Up to 19 hours of battery life based on typical Surface device usage. Battery life varies significantly with settings, usage and other factors. All settings were default except screen brightness was set to 150 nits with Auto-Brightness and Adaptive Color disabled.

The active use portion consists of (1) a web browsing test accessing eight popular websites over multiple open tabs, (2) a productivity test utilizing Microsoft Word, PowerPoint, Excel, OneNote and Outlook, and (3) a portion of time with the device in use with idle applications. Testing conducted by Microsoft in August 2022 using preproduction software and preproduction Intel®12th Gen Core™ i5, 256GB, 8GB RAM device. Up to 15.5 hours of battery life based on typical Surface device usage. See aka.ms/SurfaceBatteryPerformance for details. Battery life varies significantly based on usage, network and feature configuration, signal strength, settings and other factors.Available storage is subject to change based on system software updates and apps usage. 1 System software and updates use significant storage space.Surface Pen sold separately for Surface Pro 9, Surface Laptop 5, Surface Pro 8, Surface Go 3, Surface Laptop Studio, Surface Laptop 4, Surface Laptop Go 2, Surface Pro X and Surface Pro 7+. ** Type Cover, Surface Dial, Microsoft Office, and some software and accessories sold separately.Certain features require specific hardware (see aka.ms/windows11-spec). * The Windows 11 upgrade will be delivered to qualifying devices late 2021 into 2022.Features and app availability may vary by region.

Microsoft surface book 1