[brockers]

Same here, out entire dev shop is X1 Carbons on Linux.

[rkangel]

What sort of battery life do you get for normal dev activities?

[eat_veggies]

I have the 5th gen x1c and I'd say 6-8ish hours if you use tlp or powertop, although I've never actually run it all the way down to zero battery before.