Well I just brought the plane out from it sitting for a while to go and fly it. I charge the battery and they charge.. i guess. But i have never had a problem with it not responding to the controller. Well all it wants to do when i plug in the battery is start up for about 40 seconds the prop spins REALLY FAST and then slowly dies, no servo response or no motor control. I have never had a problem with this and the last i flew it it worked. keep throwing stuff out there