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As it's so cheap, there is no on-board fuse protection. I have blown three up due to accidental shorts. The leads to the F/R switch are quite short and don't take kindly to being lengthened, same goes for the rotary switch. Tip. position the unit close to where you want the switch and extend the battery/ motor wires instead. That seams to work
Verified purchase: Yes | Condition: New
Mine failed after about 5 seconds of very light use (less than 10 amps!). I had it wired up correctly, and can't have overloaded, as I'd put a 20 amp fuse coming off the battery. Looking at the way it is built, there is no chance of this thing handling even 30 amps continuous current. Heat sinks are tiny, not thermally coupled and no cooling. If you added some larger heat sinks with some thermal paste and a fan, it might just about manage 30, but by the time you'd done all that, it would be quicker, cheaper and easier to have purchased a better product. As they say, you get what you pay for, and as far as speed controllers go, this is the cheapest of the cheap. I would say this is only suitable for VERY light use, and doesn't even come remotely close to what is advertised. It's worth noting - they've scrubbed the identification markings off the FETs, so that makes me think these aren't exactly quality components they're using.Read full review
Verified purchase: Yes | Condition: New
Good quality for the money, smooth control of power. used to convert an old sit on car to more powerful setup with finer control.
Verified purchase: Yes | Condition: New
Excellent for the price. When used on light weight, struggled on gradient at medium weight geared at 4mph Used at 24v Hope this helps when selecting parts For your project?
Verified purchase: Yes | Condition: New
Switch had to be replaced as it was faulty. Value for money is okay, but easy to overload the circuitry and battery connection causes initial flashover. Need to ensure all controls are in the off position before using.
Verified purchase: Yes | Condition: New