To prevent the controller from being incompatible with your display, I suggest that you purchase the controller and display together

LCD Display

Type : S866 LCD Display

Voltage : 24V 36V 48V

Plug : 5Pin Male SM Plug

Holder Diameter :φ22mm

Cable Length: 170cm ( SM )

17AController

●Type: 17A Controller

●Size(L*W*H):About 95*53*30mm

●Rated Power:250W/350W

●Speed Set:1.1-4.2V

●Mosfet:9Mosfet

●Booster:1:5

●Brakes:Low-L evel

●Rated Voltage:DC36/48V

●Compatible with motors with or without Hall

●With motor forward and reverse learning function

26AController

●Type: 26A Controller

●Size(L*W*H):About 122*61*30mm

●Rated Power:500W/750W

●Speed Set:1.1-4.2V

●Mosfet:9Mosfet

●Booster:1:5

●Brakes:Low-L evel

●Rated Voltage:DC36/48V

●Compatible with motors with or without Hall

●With motor forward and reverse learning function

30AController

●Type: 30A Controller

●Size(L*W*H):145*61*38mm

●Rated Power:1000W

●Speed Set:1.1-4.2V

●Mosfet:12 Mosfet

●Booster:1:5

●Brakes:Low-Level

●Rated Voltage:DC36/48V

●Compatible with motors with or without Hall

●With motor forward and reverse learning function