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Am
Reviewed in the United Kingdom on March 2, 2025
This motor controller for brushed DC motors is a YK33 made by Yi Yun. Build seems fairly ok, some of the through hole soldering is a bit rough, and one of the mounting brackets was bent on the one I got, but overall it seems fairly solidly made. Water resistance may not be the best in the long term as it relies on foam gaskets. The aluminium case and an internal steel backing bar are used as heat soaks (the design of this looks good to me), so the case does heat up, but that is a good thing because it is pulling heat away from the mosfets. Worth considering this for mounting position though (the side with screws gets warmest).It was easy to wire up, with the only unmarked connectors being black/red for power, and blue/yellow for the motor. The wire marked "Deraileur" is for the throttle. It seems to be working fine so overall I'm happy with it.
Sam Robert
Reviewed in the United Kingdom on February 24, 2025
This motorcycle speed controller has wires for high output current ratings which is suitable for the high power motors used in the electric motor cycle. However the controller does get quite hot so proper ventilation is needed for a longer service life.
JR
Reviewed in the United States on January 5, 2025
Stopped working almost immediately after hookup. Throttle wouldn't come on.Tried multiple throttles (new)Checked battery.Eventually opened up controller to find faulty indicator (poor solder/connect) ...Into Garbage....Buy a different brand.
Slick Nick
Reviewed in the United States on October 23, 2023
It says it can handle a 48 volt battery but it couldn't handle my 49 volt it burned up!
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