... brake 3.Over voltage protection 4.Short circuit protection EBIKE controller: soft start, 1:1 pedal assistance, Cruise, fault indicate,Over ... . 5,Maximum Current:22A6,MOSFET: 9pipes.Function brief introduction:1,Water-proof.2,Over-voltage and short-circuit protection3,Under-voltage ... long term business cooperation in near future. 48V 450W EBIKE controller