Further illustrating the fact that the sooner people stop blaming the radios, and figure out it's about power delivery to the radios/servos, the sooner they'll stop crashing.
Not sticking up for Spektrum, or endorsing their use. I don't even use one. Just trying to save the frustration of somebody else putting another plane in without knowing why. No radio can work if it's not getting enough power - ALL THE TIME - not just before the flight.