Originally Posted by
1fastdude
Yes, that lipo is fine also. Any of the 2 cell lipos are fine. I would give Sonny Brown a call at Horizon and see what exactly he says. I would also say that if you are running 13.5, 17.5 or 21.5 that you may not even need the receiver pack! I also have tried the TQCells booster and it works fine as well.
KO is only servo i have heard of that says they are tested for 2s lipo voltage levels. but i have been using a booster without any troubles. ( i am glad to not have a 2nd battery to forget to charge!)