... 18A 4,MOSFET: 6 pipes. 48V/350W Electric Bike Controller 10USD/PCS Specifications 1,Voltage: 48V 2, ... 18A 4,MOSFET: 6 pipes. 48V/350W Electric Bike Controller 12USD/PCS Specifications 1,Voltage: 48V 2, ... 23A 4,MOSFET: 9 pipes. 60V/350W Electric Bike Controller 12USD/PCS Specifications 1,Voltage: 60V 2, ... 23A 4,MOSFET: 9 pipes. 48V/500W Electric Bike Controller 15USD/PCS Specifications 1,Voltage: 48V 2, ...