I didn't mention that I was running 6s lipo in a 1/8 scale. The same esc in a 2s powered b4 runs the 9100s w/o glitching, but still drops the bec voltage enough so that my personal transponder doesn't always count laps, even with a power cap added.
Check out my custom converted 8ight:
Sub 7lb, lowest CG of any 1/8 buggy