I think these are the best you can find at this price 48~72V FOC Sinewave Controller

[ORDOOspeed]

Brand: YUNLI ORDOOSPEED
Location: China
Store Link: ORDOOSPEED Store - Amazing products with exclusive discounts on AliExpress
Use this 5$ COUPON CODE: ZBNAAQZK8U28 (NEW coupon updated 20 Sep)
Website: http://ordoospeed.com/
YT: ORDOOspeed Official Support Center

YUNLI ORDOOSPEED SINEWAVE FOC CONTROLLER for ESCOOTER
WE REALLY CARE ABOUT YOUR SCOOTER!!

**High Conversion Efficiency**
**Reduced Temperature Rise**
**Extended Battery Life**
**Superior Linear Characteristics**
**High Starting Torque**
**Controllability**

FEATURE
Linear acceration
Precise Controlling
Strong torque
Electric Brake(Activated under 64V)

 

[neptronix]

Can the controller be programmed?

 

[ORDOOspeed]

Can the controller be programmed?

No. A programmable model is in development. Will be released soon. Check here: http://ordoospeed.com/nd.jsp?id=7&fromMid=456

 

[ElectroXa]

Hello, do these controllers support bidirectional operation (ie going backwards at same speed as forward) and strong regen until 0 mph ?

 

[marty]

Looked at your web site. See:

http://ordoospeed.com/

Recommend you get a SSL Certificate. Need the S on https:// I have used:

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zerossl.com

It's free.

On this page:

http://ordoospeed.com/col.jsp?id=103

Image with link to AliExpress is moving left and right. This movement has caused me to have a Epileptic Seizure.

Also pay attention to file names, [/col.jsp?id=103]??????, page titles, keywords, and descriptions. Use words that people might search for if they were looking for [48~72V FOC Sinewave Controller] or what ever you trying to sell. This will get you higher is search engine results.

Same words as text in web site. Search engines use spiders to crawl the web and look for words.

<title>ORDOOspeed YUNLI ESC</title>
<meta name="keywords" content="" />
<meta name="description" content="" />