conterllor hane two modle ,one is square wave ,most three wheels use it .other mdole is sine wave ,usually four wheels and two wheels use it .when you buy conterllro need see your old modle ,if use wrong ,conterllor not fit the motor , motor and conterllor will fast hot ,and sound big and fast broken ;
conterllor hane two modle ,one is square wave ,most three wheels use it .other mdole is sine wave ,usually four wheels and two wheels use it .when you buy conterllro need see your old modle ,if use wrong ,conterllor not fit the motor , motor and conterllor will fast hot ,and sound big and fast broken