800 Watt 48 Volt Speed Controller w key lock f scooter ebike electric 1020 motor

Regular price $31.31

Shipping calculated at checkout.

Key Lock (on/off switch)

100% Tested before shipping

Speed Controller:
Speed controller for DC Motor, up to 800W, 48 Volts . This can be used for any other wattage lower than 800W, as 750W, 600W or 500W scooters, e-bike, e-ATV.

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 3.5" x 2.5" x 1.5"
Weight: 10 OZ
Brand: Yiyun
Model: YK31C

Max Power: 800W

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

Speed Controller:

Brand new with warranty.
Shipped from the USA.


INCLUDED: 1 switch, 2 keys

Universal switch. Will cut or let electric charge pass




- Brand new

Electric Bike scooter on / off switch (to be used with speed controllers)

Compatible with 24v/48V/48v E-scooters (using 2 wires on the speed controller's 'lock').

Cable length is approximately 4 inches


Dead on arrival: 14 days after receiving the product. 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 or 2 business days upon receiving payment. A tracking # of shipment will then be issued to the buyer. If payment is received by check, we'll wait up to 5 days after the deposit of the check. 

Feel free to contact us with any questions or concerns. 

 If you are happy with our product, please give us positive feedback. We will return the favor



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