1. Local video playback battery life : XPS 13 tested with 8th Gen Intel Core i7 8550U, 8GB RAM, 256GB SSD and FHD display. Testing conducted by Dell labs in March 2018 using the Microsoft Movies & TV app.  For more information see //blog.dell.com/en-us/you-can-now-watch-20-hours-of-video-on-your-dell-xps-13 ​. Actual battery life may be significantly less than the test results and varies depending on product configuration and use, software, usage, operating conditions, power management settings and other factors. Maximum battery life will decrease with time.