The controller is brushless type, working silently and sensitive to the state of electric bike. Perfect replacement for the broken one, provide a better riding experience for you .

Feature:
1.?REDUCE TEMPERATURE RISE? This controller use Aluminium Alloy for reduce the temperature rise of the controller and increase the continuous mileage of the E?bike. which can the inner circuit due to good heat.
2.?NO NOISE AND VIBRATION?The e bike controller is no noise and vibration, softness and comfort when driving. it can provide steady speed and sensitive control of braking and direction changes.
3.?HIGHER EFFICIENCY?The dc motor controller is more stable, higher efficiency, lower current consumption and longer life.
4.?USED FOR? This electric controller is universal for 36/48V. Support both voltages simultaneously. Easy to install.

Specification:
Condition: 100% Brand New
Item Type: Electric Controller
Material:Aluminium Alloy
Color: As Pictures Shown
Product Size: Approx. 8.2x5.33cm/3.2x2.1in
Weight: Approx. 254g/9oz
Maximum Current:15?A
Rated Voltage: DC36V/48V
Speed Set:1 4.2V
Rated Current: 7A
Brake Input: Low Level
Low Volage : DC30/40?.5V

Package List:
1 x Electric Controller

Note:
Please first confirm whether the output line of your motor is a 6?core waterproof wire.
Secondly, please confirm whether the instrument you use is KT series, because KT is responsible for our controller.