I used
a 1080p video loop at 50 % and it did indeed deliver 14.5 hours.
Its battery technically has more juice in it, but it doesn't last as long as the XPS 13, offering just 10 hours in
the 1080p video loop test and an hour less in the web - browsing test too.
We also saw over 10 hours of life from
our 1080p video loop.
Not exact matches
While it will not take still photos, the Mobius shoots excellent
1080p HD
video, including on a very useful continuous
loop.
The real problem was in our
video looping test, where we play a
1080p video on
loop until the battery dies.
Moving onto the next criteria and we use the same
1080p HD
video file, charge phones to full and
loop the
video until the battery drains completely.
The
1080p model endured for 13 and a half hours in our
video loop test, while the 4K version lasted three hours less.
Our
video loop test, which replays a
1080p trailer of The Avengers until the battery gives out, saw the Surface Book 2 through over 20 hours.