ORIGINAL: mtwister
Well, I finally got word straight from Futaba that their radios are rated to 14 volts input. So, no worries about an 11.1V LiPo even at peak charge.
Now, I do know that JR and Spektrum run 11V max.
Note: your LiPo's are at 12.6 volts at full charge, not 11.1 volts.