YEP 120A HV (4~14S) Brushless Speed Controller (OPTO)

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Worked great - for some time

Mar 17, 2022

Worked great on 12s in 1.8m helicopter (gov mode - great stability) until burn-thru in 3rd flight for no obvious reason; filed claim and got replacement; not yet re-fitted since reluctant since forced landings are not to my liking.
Great com and service from KH though.

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Awesome esc for 50-70cc class planes

Jan 14, 2022

They work just great. Easy to program with smooth motor operation. They run cool and efficient. This my third and certainly not my last.

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using on assault 700

Dec 25, 2021

Bought it to use on my Assault 700 and after about a dozen flights I am very satisfied.

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facile a programmer sans PC, ne chauffe pas en usage intensif et préserve moteur et batterie le tout a un prix dérisoire par rapport a la concurrence européenne .Que demaander de plus?

Nov 26, 2021

super

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Good

Nov 11, 2021

Bought 2 of these after getting the first one and using the programing card to set it up, using one on a rotomax 50cc on 12s, the other will be used in a F4U with rotomax 1.60 10s. I do like these, once familiar with the card and settings very good product.

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Good Item

Oct 13, 2021

This is the second 120 amp controller I have. Both installed and run very smooth, - no issues. Easy to programme using YEP card.

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Smooth Operation

Oct 12, 2021

Using with 10s overlander motor. No problems. Easy to programme.

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bad

Sep 02, 2021

A esc sold, must can work whit every motor if not it should peep peep but never ever burn out in a sec . this esc is even for plane and heli motors.
i burned 3 pieces in 1 sec. even motor whas still good after testing i thit replace it by a new xpwr 40 just to be extra shure, last esc also thit burn out. now i installed a new castle creations no problem at all.
So mebe it can work good but overal this esc is just to specific for what motor it can yoused on and componets are really at the low side.
I also have a hobbywing 120A 12cell that whas sold by hobbyking under the brand K-force but it is a real hobbywing just rebranded.
And if i inspect it it has also A quality components.
I think a small yep is possible to youse in a project but will never ever buy this yep 120A ever again.
sorry to say

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Top

Aug 31, 2021

Top und Funktioniert wie er soll.

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Super Controllers

Aug 26, 2021

I have many of these controllers. They are terrific in 10S or 30cc equivalent applications. I am always recommending them to others.