Do i need this or something like it for my MSR/ MSRx and other micro helis I have?
http://www.ebay.com/itm/390798722444?_trksid=p2060778.m1438.l2649&ssPageName=STRK:MEBIDX:IT
http://www.ebay.com/itm/390798722444?_trksid=p2060778.m1438.l2649&ssPageName=STRK:MEBIDX:IT