350W 36V DC electric motor Speed Controller box+Blue Throttle w Digital display

Regular price $34.66

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1x Throttle, variable speed, Digital voltage Indicator

100% Tested before shipping

Speed controller for DC Motor, up to 350W, 36 Volts 

This controller may be used for replacement of most Razor, X-treme and other kinds of electric scooters, E-bikes, or E-ATVs. Check that voltage is compatible, motor is of same or less watts and for similarity in size, shape and color.


Dimension: aprox 3.25" x 2.5" x 1.5"
Weight: 9 OZ
Brand: Yiyun
Model: YK31C

This speed controller features connection terminals for: 
- Battery
- Motor
- Charger
- Lock / on-off switch
- Brake (will shut off motor)
- Battery charge indicator
- Tail lamp

- Throttle


Description    of Throttle                       


  • Brand new and high quality

  • Material: Rubber, Aluminum

  • Size: Approx. 115 x 33mm

  • Cable Length: about 1m

  • Yellow wire: power +(24v 36v 48v )

  • red wire: +5v

  • green wire: signal

  • black wire: -

  • blue wire: I/O button(such as light,horn)

  • white wire: I/O button(such as light,horn)

  • Fit for 22.2mm diameter Handlebar

  • Suitable for 24/36/48/60/72V E-bike

  • Maximum voltage indicates fully charged; low voltage indicates the battery running out

  • The minimum voltage necessary to charge the battery

  • 12V electric car, the maximum voltage of about 12V, about the minimum 9V (run out)

  • 24V electric car, the maximum voltage of about 29V, the lowest of about 21V (charge)

  • 36V electric car, the maximum voltage of about 42V, the lowest of about 29V (charge)

  • 48V electric car, the maximum voltage of about 54V, the lowest of about 39V (charge)

  • 60V electric car, the maximum voltage of about 72V, the lowest of about 49V (charge)

  • 72V electric car, the maximum voltage of about 84V, the lowest of about 60V (charge)

Package included:

  • 2 x EBike Throttle Grip With Wire

  • 2 x Keys


  • Please do not contact wrong wire

  • Please allow 1-3mm errors due to manual measurement

Dead on arrival: 1 year. We'll refund (except s&h cost) or replace. Item must be as new, with no sign of short circuit, drop or abuse. 


PAYMENTS: We accept any kind of payment. Payment is due within 3 days of closed auction. If mailing a payment, please let us know you do it 

RETURN/REFUND POLICY  We'll refund or replace according to the Warranty terms above. Refund will be given once the product is received and verified to have been used properly. We do not charge restocking fees. But we do not cover or refund s&h charges. 
Before returning, ask for a RGA# (Return Goods Authorization number) 
We do not cover the shipping & handling cost for return or exchange on the delivery of the product. 



Orders are usually shipped within 1 day upon receiving payment.  

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