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I'm still using a circa-2013 X1 Carbon, running Ubuntu. Overall it's been great, with the one exception being the battery life, which has always been abysmal. I

I'm still using a circa-2013 X1 Carbon, running Ubuntu. Overall it's been great, with the one exception being the battery life, which has always been abysmal. I've never been able to get any more than 2 hours out of the battery, even after extensive tinkering with tools like powertop. That machine is getting a bit long in the tooth now, so I've been thinking about what to buy to replace it; getting another X1C would be a no brainer if I wasn't worried about whether the battery life in the new ones is as bad as it was in my old one.

JoshTriplett 7y ago
I get 10+ hours of battery life out of mine, depending on workload. I run Debian, without any special tuning, beyond powertop and running an up-to-date kernel.
- pixelmonkey 7y ago
  Yes, on my 4th gen, I get a solid 6-10 hours, depending on usage. I think running powertop is important to identify background power hogs and ensure kernel params are tweaked. I love how ever since the 4th gen, the X1C's also rapidly charge to 80%+ power, and get to 100% not long thereafter. Pretty much the only thing that'll chew through my battery quickly is a Google Meet call, and that's just because Google/Chromium hasn't figured out how to reduce CPU usage on the video encode/decode steps on Linux.