If you don't want to solder, this would be a very desperate attempt though not sure how much the IR will jump with so many connections
https://www.ebay.com/itm/xt60-male-t...MAAOSwIw1cDz~c
+
https://www.ebay.com/itm/5mm-Male-Lo...IAAOSwo4pYeyeT
+
Cut 2S balance leads from the charge harness, double check the male/female adapters are correct before ordering, I am just guessing what you need, though if it were me, I would solder my own adapter with fewer connections.