The only way to be sure is to check them with meters in and out. Here are two videos that show a fake one. Part 1 and Part 2. He kinda confirms what is said in the video posted above and shows you how to do a some test to see if it is real or not. I will just say the US based companies offer something that is designed to be stable and not burn your house down. Abroad products may have skimped on a few hidden things like the Amp capacity of the terminal board. Just a thought. YMWV on things from abroad. Most of the guys here rely on there components not to fail for power and safety. It is common for most to also say that at Lower voltages and Amps, that it is just not worth the extra cost for MPPT or the cost of finding a REAL cheap MPPT. Most of the time they feel they can get more panel for the price difference and be ahead.
MPPT-M20 Solar Charge Controller #2 - A Devious Fraud
Part 1
Part 2
Most of these Abroad controllers have not been thoroughly tested on the long term so there is not an answer. Most just spend there money on known real products found in the USA and never look back.
-YS
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Cheap MPPT regulator from China - true and not fake?
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Aren't they power in = power out?Leave a comment:
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You buy it, and test it yourself. 250 watts in, 90 watts out= PWM. 200w out= MPPT
But read the comments of the poster, it's got bugs, does not sleep, and consumes power at idleLeave a comment:
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It is truly a videoIs there any truth in this video?
https://www.youtube.com/watch?v=6q2ICp7acvALeave a comment:
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Is there any truth in this video?
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Cheap MPPT regulator from China - true and not fake?
I wanna buy a cheap MPPT regulator from China, but how do I know if it is a true MPPT regulator and not a fake one?
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