The active use portion consists of (1) a web browsing test accessing 8 popular websites over multiple open tabs, (2) a productivity test utilising Microsoft Word, PowerPoint, Excel and Outlook, and (3) a portion of time with the device in use with idle applications. 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. Battery life varies significantly with settings, usage and other factors. All settings were default except screen brightness was set to 150nits with Auto-Brightness disabled.
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 13.5” with AMD Ryzen™ Microsoft Surface® Edition processor: Up to 19 hours of battery life based on typical Surface device usage. Surface Laptop 4 for Business battery life:
Drive is only removable by skilled technician following Microsoft provided instructions. Solid-state drive is not user removable.Available colours and sizes may vary by store, market and configuration. Colours available on selected models only.Certain features require specific hardware (see Windows 11 Specifications).
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