... :13A-18A 4,MOSFET: 6 pipes. 48V/350W Electric Bike Controller 10USD/PCS Specifications 1,Voltage: 48V 2,Rated power:350W. 3,Maximum ... :15A-18A 4,MOSFET: 6 pipes. 48V/350W Electric Bike Controller 12USD/PCS Specifications 1,Voltage: 48V 2,Rated power:350W. 3,Maximum ... :18A-23A 4,MOSFET: 9 pipes. 48V/500W Electric Bike Controller 15USD/PCS Specifications 1,Voltage: 48V 2,Rated power:500W. 3,Maximum ...