Originally Posted by SimonChambers
Have you got a multimeter? If so, put it on the continuity setting and see which pin on the plug goes to which battery pin.
Failing that, a quick call to Ripmax will probably give you the answer.
IIRC, it's centre positive, but don't quote me on that!
Simon I contacted the component shop for a charge lead and they did not even know that Futaba are using a new charge plug so want me to keep them updated for future reference.