Testing consisted of full battery discharge with a mixture of active use and modern standby. Testing conducted by Microsoft in February 2021 using preproduction software and preproduction 15” AMD Ryzen™ 7 Microsoft Surface® Edition processor, 8GB RAM device. Surface Laptop 4 for Business 15” with AMD Ryzen™ Microsoft Surface® Edition processor: Up to 17.5 hours of battery life based on typical Surface device usage. 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. 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. Testing conducted by Microsoft in February 2021 using preproduction software and preproduction 13.5” AMD Ryzen™ 5 Microsoft Surface® Edition processor, 8GB RAM device. Surface Laptop 4 for Business battery life: Surface Laptop 4 for Business 13.5” with AMD Ryzen™ Microsoft Surface® Edition processor: Up to 19 hours of battery life based on typical Surface device usage.Microsoft 365 Business Premium subscription required.Drive is only removable by skilled technician following Microsoft provided instructions. Solid-state drive is not user removable.Available colors and sizes may vary by store, market, and configuration. Colors available on selected models only.

Microsoft surface 4 laptop