Yeah, here ya go…

High: 2000 lms, 1.1 hours
Turbo: 4000 lms, 2 mins + 1 hour

So it probably steps down after 2min at 4000lm and burns the rest of the way at 2000lm.

So that 2min burn on turbo ate up 0.1hr worth of high. :smiley: