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- #31,411 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
- #18 in Renewable Energy Controllers
Nighthauler
Reviewed in the United States on February 4, 2025
This controller works great. I have it between a 100 watt flex panel on the roof of a Polaris Ranger that charges a very large extra battery that’s used to power a 3,000 watt inverter. It’s used to power large power tools out in the pasture and places where there is no power. This small very inexpensive controller has been keeping the battery at 13.9 volts down to 12.5 volts when I have heavy use. Just like auto alternator keeps your battery at around 14.2 volts when running. If someone thinks the power out is not good, that’s because it’s usually not. Power off a good battery that can handle the load and all is well. Panels produce at different rates with different conditions also. Those are not the controller’s responsibility or fault. I really am impressed with this controller. It works fantastically and I will be buying more. Very good product!!!!!
Jeff L.
Reviewed in the United States on February 26, 2025
Took a while to get it to work but support did answer. It clearly says red to red, black to black in the description of the product but I had to cut it out and wire red to black on 2 different solar panels. Support said it is the panel that is reversed but when I checked panel with a volt meter red to red etc was positive voltage.Some of the spare connections I purchased came with an adapter that also worked but took a week to get to this point. I have 2 different panels charging 2 different bilge pumps on small 12ah lithium batteries. Will see if this works long term. Instructions online talk about changing charger settings for lithium but I don't see that option on this unit.
Tweakes182
Reviewed in the United States on February 25, 2025
A very simple solar charge. Easy to wire up. Well built, holds up to the weather, and has SAE connectors.
roddalmil
Reviewed in the United States on February 24, 2025
Worked as described… go there fast!
Paul Quesnel
Reviewed in Canada on February 18, 2025
No obvious way to contact manufacturer directly, so I will lay it out the problem here. This charge controller overcharged my 12 volt snowmobile battery to 17 volts, now this $220 battery will have to be replaced. Also took a voltage reading after installing it on a large 950CCA 12 volt car battery and noticed after an hour it was already up to 15.75 Volts. This is not normal, the controller should never allow more than 14.5 Volts on any Battery or you risk damaging it. I am not sure if it was always like this since purchased in Aug,2024 or something failed recently. Nonetheless I am looking for answers. I am using it with a 100W solar panel.
Robert Rougier
Reviewed in the United States on February 1, 2025
Used for my 5th wheel montana camper
Read and Ride
Reviewed in the United States on January 22, 2025
Simply works. Good value. Good weather seal. This relieved a more expensive but vulnerable unit of winter duty on a remote 10 watt charger. That system was set up with SAE connections back when, and this was a perfect plug and play swap. Monitor LEDs provide confirmation that the system is live.
Jacq
Reviewed in the United States on December 1, 2024
Better than the original unit that came with the panel. Only complaint is the cord remains short so if you have a Class A that requires some distance between the panel and the battery, this presents some challenges. Would be more secure and protected if I could mount the controller inside the engine compartment but the wire length prevents this.otherwise, the controller works as advertised.
A R.
Reviewed in the United Kingdom on August 9, 2023
a good replacement charge controller well made item
Erik
Reviewed in the United States on November 10, 2022
I’ve been running a 6.5 amp DC fan in the attic of my shed off of a 100 W solar panel all summer. I thought it would be a good idea to be able to charge my dirt bike battery as well so I bought this controller. For some reason the fan won’t run without the battery being connected. Connecting the battery makes the fan run but it surges running full on for not even two seconds before reducing to a whisper for a few seconds as the controller goes into “over discharge protection” after which the green full charge light for the battery will come on and the fan will then spin up to full speed only to immediately drop again into over discharge protection mode. This is a poorly thought out design. If the battery is at full charge the controller should continue to monitor the battery level and send power straight to the load device regardless of whether it’s connected to the battery or not. If the solar panel is not producing enough current to power the load only then should the battery come into play. This device is worthless to me for anything other than charging the battery.
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