[SilentMonster]

The most I've ever heard being used is 14 cells at 16.8v's on the EVX. So I'd say 4S is the limit. Don't have any first hand experience with the duel 700's but from what I read is you don't really gain much speed just a lot of torque. Unless you really gear them up but then you gotta watch the temps. I do have a pair of 970's with a custom mount for the EMaxx that came with my Revo but never did anything with them. There very heavy and take duel EVX's to run em. PS. so there is no confusion, the 700's will run on 1 EVX.