Relatively easily program the motherboard via Bluetooth to suit your driving behaviour, program battery settings, program acceleration per mode and per rpm, program maximum speed per mode. The controller has self learning function where the scooter will read the motor settings by itself. All functions remain working (APP, Scooter Functions, Accurate Speeds, etc.). You can adjust speed per mode and acceleration across 3 different modes (not available for all scooter models). If you ever make upgrades to the scooter such as larger battery or a different engine, with this bluetooth controller you can adjust settings to make these upgrades compatible.
Support Voltage: DC 48-72V (max. 90V), recommend 72V battery system.
Support DC Current: maximum 200A (battery current).
Support Phase Current: maximum 450A.
Function: Forward, Reverse, Boost, 3-Speed, Low Brake, Hight Brake, etc.
Controller Type: Sine-Wave (Sinusoidal Type) motor controller.
Controller Size: 179x120x55mm. Length 179mm, Width 120mm, Height 55mm.
Net Weight: 2.00kgs
Download the Controller Management APP here.

Trunk Cushion
Scooter Wheel Lock 210 Grams
NQi-Series Carbon Fiber Footrests
NQi-Series Carbon Fiber Handrests
NIU KQi Series Battery Charger
Universal Adjustable Cupholder
Tail-Box Backrest
NIU KQi Series KickScooter Handle Covers
NQi-Series Extra Comfortable Seat Cushion
NIU Wireless Trunk Opener Accessory
NIU KQi Series Left and Right Brake Handlebars
UQi Extra Comfortable Two Person Cushion
Turbo Carbon Rear Mudguard Fender
UQI+ / UQIGT Extra Long Rear Rack
NIU Charger Case
Scooter Windshield Anti Rain / Fog / Dust Sticker
Adjustable NIU Brake Lever 


Theodor (verified owner) –
Excited, just ordered for my N series GT.
Joe (verified owner) –
An upgrade all scooter owners should do. Fits my model perfect!
Bayard (verified owner) –
Everything is perfect 85km
Aaron (verified owner) –
Worked perfectly on the road at 77km/h.