What counts as sensible for you? Experience differs depending on hardware. My Dell XPS 13 got 7hrs out of the box on Manjaro, which I tweaked to get to 8.5-9.

What counts as sensible for you? Experience differs depending on hardware. My Dell XPS 13 got 7hrs out of the box on Manjaro, which I tweaked to get to 8.5-9. On ubuntu I didn't have to bother with the tweaks. That's comparable to Windows on this device...