Microsoft Surface Laptop 4 11th Gen, Core i7. 256GB & 8GB (Touch Screen)

Surface Laptop Go battery life: Up to 13 hours of battery life based on typical Surface device usage. Testing conducted by Microsoft in September 2020 using pre-production software and pre-production configurations of Surface Laptop Go Intel® Core™ i5, 256, 8 GB RAM Microsoft Surface® Edition devices. Testing consisted of full battery discharge with a mixture of active use and modern standby. The active use portion consists of (1) a web browsing test accessing 8 popular websites over multiple open tabs, (2) a productivity test utilizing Microsoft Word, PowerPoint, Excel and Outlook, and (3) a portion of time with the device in use with idle applications. All settings were default except screen brightness was set to 150nits with Auto-Brightness disabled. Wi-Fi was connected to a network. Battery life varies significantly with settings, usage and other factors.