In fact it doesn't fit :/ i did slighly cut the side of the battery tray in order to allow battery wire to exit
I use this battey...
http://www.hobbycity.com/hobbycity/s...idproduct=6656
Super I can't find it anymore they were Zippy-k 2S 4300 mah, but they aren't listed anymore :/. maybe they lock it when backordered.