Originally Posted by zeropointbug

4s A123 no problem, even 5s would be A okay.

2s A123 is too much for BEC voltage, I have tried it, and it acts funny, receiver kept shutting down... etc. UBEC is best.

BTW, I just bought a Villian EX for myself, I plan to run 5s2p A123 pack in it. :017: