The 48-72V 80A BT  Programable controller and 80A controller with LCD is only for 2-6kw motor

150A 48-84V controller is for 18kw motor

36-72V controller is for  1680~4KW geared motor 

bluetooth programable app download

https://www.cyclone-tw.com/upload-files/app/cyclone0122.apk

Password: 12345678

iphone search " emotor " and choose the Blue one

P17:  Set the controller Phase current, when the  number bigger motor speed up quicker<