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 15-inch Intel® Core™ i7, 256GB, 8GB RAM device. Up to 17 hours of battery life based on typical Surface device usage on Surface Laptop 5 15-inch

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 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 13.5-inch Intel® Core™ i5, 256GB, 8GB RAM device. Up to 18 hours of battery life based on typical Surface device usage on Surface Laptop 5 13.5-inch.

Microsoft surface business laptop