Originally Posted by RC-Monster Mike

The controller is technically rated for 3s Lipo - just like the MM. By disabling the BEC, the controller can handle 5s no sweat - likely even 6s, though 6s voltage doesn't leave much room for error IMO(bad gearing or motor choice along with heavy braking with a fresh charged 6s pack may not be such a good idea).
I do intend to get them stocked and listed - I have them ordered from my distributor (should arrive this week).