Yeah I went from 2014 to 2017, and went from broadly not worrying about doing 6 hours of solid dev work without thinking about battery to essentially never feel

Yeah I went from 2014 to 2017, and went from broadly not worrying about doing 6 hours of solid dev work without thinking about battery to essentially never feeling comfortable away from a plug. I'd guesstimate I get at most 3 hours on the 2017 before the battery level gets low enough I have to start planning where I'll next plug in. Not ideal.