RE: Dell XPS 13 9350 - Battery life
I went for the FHD edition, because of the battery life..
After the new bios update (1.1.7) the battery life improved a lot.
For mixed usage I get ~12 hours. But when using only word and pdf it only consumes ~3W/h, which should yield 18 hours (if done for a whole cycle). http://i.imgur.com/dyqtPOU.png
You could also check: forum.notebookreview.com/.../dell-xps-13-9350-battery-life.784327