![Surface latest model](https://cdn2.cdnme.se/5447227/9-3/8_64e61dfb9606ee7f6adf5896.png)
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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 SQ® 3, 128/256/512GB, 8/16GB RAM device. Up to 19 hours of battery life based on typical Surface device usage.
![surface latest model surface latest model](https://www.asiaone.com/sites/default/files/original_images/Jun2021/20210628_MicrosoftSurfaceLaptop4_HardwareZone.jpg)
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 and Adaptive Color 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 Intel®12th Gen Core™ i5, 256GB, 8GB RAM device. Up to 15.5 hours of battery life based on typical Surface device usage. See aka.ms/SurfaceBatteryPerformance for details.
![surface latest model surface latest model](http://compass.surface.com/assets/39/87/39879da7-1d36-4156-863a-6090abd9d2cd.png)
![Surface latest model](https://cdn2.cdnme.se/5447227/9-3/8_64e61dfb9606ee7f6adf5896.png)