charging transmitter lipo

[matt]

hi all
Over the weekend i picked up a ko radio that is running a lipo, but i'm having trouble finding the right plug to use to charge it.
This is the battery
http://www.hobbyking.co.uk/hobbyking...dproduct=83321

And this is how it is set up

20160919_200539 by matt barton, on Flickr

And this is the plug i am having trouble with.

20160919_195430 by matt barton, on Flickr

Part of me has been tempted to cut that plug off and replace it with a dean connector.
Tar for any help