Ok here's a baseline- MAC kit from EM3ev
1 x 48V (13S) Samsung Frame Mounted Pack (7.6-11.0Ah, 4P)
- Configuration 13S 4P, 29E cells, 48V, 11.0Ah
1 x Upgrade EM3ev vers. Mac , 500/1000W Pick'n'Mix Kit
- Controller Type 9 fet 30A (36-52V, IRFB3077)
- Motor Speed 255rpm loaded @36V 10T...