9 tube model electric bike controllers 1.Cruise function 2.EABS brake 3.Over voltage ... 4.Short circuit protection EBIKE controllers: soft start, 1:1 pedal assistance, Cruise, fault indicate,Over-voltage and short-circuit protection ... . 5,Maximum Current:22A6,MOSFET: 9pipes.Function brief introduction:1,Water-proof.2,Over-voltage and short-circuit protection3,Under-voltage ...