its in a v2 kantana pulled it all out of my smashed funtana40 i know that it is over kill for this plane how much are these batteries not that worried about the money as you can see i put a few bucks in the four servos. more torque than needed i was looking at a 2100mah lipo there not that bad. can you tell me more about the other bats. you were talking about thanks edit to say i have no slop at this time and stiff rods changed out most of the hardware that came with this arf .