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3 of 3 people found the following review helpful
5.0 out of 5 stars Keep it simple, and the maintenance is easy, February 5, 2017
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This review is from: Mohoo 20A 12V/24V Solar Charge Controller Solar Control Regulator Solar Panel Battery Regulator Safe Protection
This regulator, as all that use PWM as their means of charging has the potential to over charge/over maintain your battery, I use Super capacitors in parallel with the battery to buffer this, and they work great! I have 5 of these type of chargers, this one does exactly the same as the $35 ones.
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1.0 out of 5 stars Well, that didn't last long!, September 1, 2017
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This review is from: Mohoo 20A 12V/24V Solar Charge Controller Solar Control Regulator Solar Panel Battery Regulator Safe Protection
Used this with a 14.1vdc regulated power supply (at 10A) and a (brand new) 7Ah gel cell for battery to power a router and modem for uninterrupted power delivery to those items. Rather than sticking a huge UPS in my wall-mounted network center, I opted to run a battery backup via this controller. Simple, effective, smaller footprint and much cheaper than a UPS. You'd think the 14.1vdc fully-regulated power supply would have been much easier on this controller, seeing that it supplies the power evenly, all day, all night, so long as a/c power to it is not interrupted. Wrong!!!

Noticed that it wasn't charging the battery very well, so I swapped batteries to a brand new gel cell, within a few hours, that battery too was completely drained, allowing for only 3-4 seconds of power if the power supply was turned off.

Replaced this with a different controller (Renogy 20A controller) and all is well, both batteries were brought back to full charge with a separate charger,... Read more
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3.0 out of 5 stars Keep Those Batteries Charged!, July 18, 2017
Verified Purchase(What's this?)
This review is from: Mohoo 20A 12V/24V Solar Charge Controller Solar Control Regulator Solar Panel Battery Regulator Safe Protection
Very reliable solar charger as long as you don't accidentally short circuit the unit - by accident. I did that to one of mine and then couldn't get it to work correctly even though I replaced the internal fuse. Otherwise I'm very satisfied with them. I have two of these controlling the solar panels on my motor coach and they have been performing flawlessly for over a year. You may find that trying to run a 12vdc appliance from the LOAD terminals doesn't work. I had that happen to one of the three units I have so I sent it back thinking it was defective. I ordered another controller that cost twice as much so I'll see if it works the way I think it should.
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