Originally Posted by norco kid

I don't think a 3S Lipo should be a problem because the radio is designed to run on AA alkaline batteries aswell as rechargeables. Fresh alkaline batteries are usually ~1.6v each so 1.6*8= 12.8. A lipo cell's MAX voltage is 4.2v, so 3*4.2= 12.6. I've been running 3S lipos in my Futaba 2pl without a problem.