[magman]

First 3s in a truggy is not enough unless combining them for 6s. I always balance my li-pos when charging...just for piece of mind. Your pack can be charged at 6.5amps...so when setting your charger, see how many amps. are at normal/fast.

You say that it is uncontrollable on 4s? What motor are you running? In my mbx-5T I am running 5s w/the ccneu 2200kv set up and it is very fast. My punch control is set at 50-60 I believe. It will still wheelie w/a 1/2 pull of the trigger. What I do is set the epa for my throttle on my radio to 75-80% and I get really long run times.