Welcome back, you'll be back up in no time. This is probably the lead you need and many of the HK chargers include it.
http://www.hobbyking.com/hobbyking/s...nana_plug.html
There IS a standard connector , but fortunately there are multiple standard connectors now. In this current class there has to be at least 5 popular ones. XT-60 is one of them.
Example of a cheap charger that will do the job for you.
http://www.hobbyking.com/hobbyking/s...cessories.html