utf8 New Arrival SiAECOSYS Programmable SIAYQ7290 72V 110A Controller for High Power Electric Bike

New Arrival SiAECOSYS Programmable SIAYQ7290 72V 110A Controller for High Power Electric Scooter Bike

Price:US $203.00/piece
Production Period:5-10 working days
  • SIAYQ7290
  • SIAYQ7290
  • SIAYQ Bluetooth adapter

New Arrival SiAECOSYS Programmable SIAYQ7290 72V 110A Controller for High Power Electric Scooter Bike

SIAYQ series controller is sine wave type controller, which is brushless DC controller with self-learning function. Generally, it matches well with QS Motors, if you want to match with new brand motor, some parameters should be tested by yourself.

P.S. If you have any confused about the shipping cost, please feel free to contact with us. 

Also could place order but don't pay first, then we could adjust the price. 


Sales contact: damon@siaecosys.com

Skype: Damon Wong(QSMOTOR)

 We Chat:+86 18758618893


Aliexpress online purchasing link for this motor(You can click pic for hyperlink): 


One set including below kits

1. 1pcs X SIAYQ7290 sine wave motor controller

2. 1pcs X Bluetooth adaptor


Key Features 

1). All the raw materials are imported, using high-performance Moss tube

2). With the aluminum substrate scheme, the Moss tube is laid on the aluminum substrate and then placed on the PCB board

3). Small in size

4). High efficiency, low temperature rise, small running current

5). With self-learning function, excellent commonality

6). The app compatible with Android and Apple

7). With flux weakening function

Product Description 

SIAYQ7290 is new motor controller. Compare to SVMC72150, the size is much smaller, and more cost effective with waterproofing grade IP67,, suit for 2-3kw motors.

Equal to FARDRIVE ND72300

It’s hall version (as default) which suit with hall motors.

It could also support encoders, please check with sales.




Test Report 

SIAYQ7290 with QSMOTOR 205 V3 50H Motor 72V 820RPM


Adapter Cable  

Bluetooth adapter

Software interface(APP)


Wiring Diagram 

The wiring support one-line and hall analog speedometer communication, which work with hall speedometer.

There is also CAN BUS version, please contact with sales for details.  






Package picture


Programmable Software & User manual (Before you received the controller)  

Pls. Contact with sales to get the link and password to download the manuals and software before/when you got the controllers.


Application for E-Bicycle

Other QS Motor Products
Customer Service