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

Testing conducted by Microsoft in August 2021 using preproduction software and preproduction Intel® 11th Gen Core™ i5-1135G7, 256GB, 8GB RAM device. Surface Pro 8 battery life: Up to 16 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.Internet access required, ISP fees may apply. Please refer to this page for more details. Chatting via SMS is available in limited countries and will be made available to other geos on a rolling basis. Certain features require specific hardware. See Upgrade to the New Windows 11 OS | Microsoft.Pen storage and charging available on selected Keyboards.Only Microsoft Surface Pro Signature Keyboard has Microsoft Surface Slim Pen 2 storage and charging capabilities. Microsoft Surface Pro Signature Keyboard and Microsoft Surface Pro Keyboard are sold separately. Some accessories and software sold separately.Features and app availability may vary by region.

Surface pro 8 memory upgrade