I haven't actually... I do have a lab power supply and an old hurricane one somewhere, might try it and see what they're like before sinking the cash for a new power supply... If that's the case I won't be impressed with the CX2! Thought it was bad enough that the jump start facility doesn't actually work and I had to get a startup cable! Might well explain how I've gone through 2 Spektra halo motors, a hyper v3 motor and a stigma fly motor in the last 2 years if power supply is at fault..?