Here is what I would build.
Use this 2s tap
http://www.maxamps.com/HYP-2S-Tap.htm
solder these banana plugs onto the outside wires
http://www.radioshack.com/product/in...entPage=search
then a 2mm plug
http://www3.towerhobbies.com/cgi-bin...&I=LXJPY0&P=ML
to the middle wire and you have a adaptor that will plug into your Hyperion chrager.
You may need to use a voltmeter and check the pin order but I am pretty sure that is how it wires up.