sorry 11.1 finger slip there, and none from what I know off. They say a 7.4v Li-Po is the same as a 9.6v NiMh but I don't think that's true I have both of those for my AEG's and they clearly run better and smoother on the 9.6v
But what mAh are they both? That makes quite a large difference, if I use a 9.6V 1600mAh in my M16, it doesn't work, but if I use an 8.4V 3700mAh, it gets about 23 RPS