HI,
I did this last night with the uBITX, went from 13.8 to 24v. and only saw an increase of +-2w.
80m 24v=12w 13.8v=10w
40m 24v=7w 13.8v=9w
20m 24v=3w 13.8v=4.5w
10m 24v=1w 13.8v=2w
Also cause weird display glitched during TX....
Thoughts?
73 VK4PLN
Nick VK4PP