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I have not had an issue with temperature yet and evene here in the heat of the Arizona desert.The booklet it comes with dosent have a max temperature listed
By Amanda Shepard on November 1, 2017
By Yui Sugano on October 29, 2017
Yes, pluses tied together negatives tied together making extra amperage but maintaining 12 volts. This is the best unit I found out of five I purchased . you can even read it in the dark. Battery should be of the same type and quality. Old batteries would drain a new one. The number of solar panel amps will determine c… see more Yes, pluses tied together negatives tied together making extra amperage but maintaining 12 volts. This is the best unit I found out of five I purchased . you can even read it in the dark. Battery should be of the same type and quality. Old batteries would drain a new one. The number of solar panel amps will determine charge rate. see less
By Huascar on September 11, 2017
No, this is the regulator for solar charging
By Grandma M on August 6, 2017
Yes this mines your battery is full
By Amazon Customer on July 9, 2017
There are separate output connections to the load, the display will show the amps being used by the load. It only controls the voltage to the batteries, not the load.
By Gary on July 3, 2017
Sorry no. It needs an enclosure. It has vents for cooling
By Scottydog on June 24, 2017
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June 15, 2017
Great charge controller for the price! Fit the bill for my small solar generator project. For those wondering (as I did) the USB and 12V DC output options on the front only come on when you press the output (red) button, they are not on all the time. Display is one of the best I have seen for an inexpensive 20A charge controller. Solidly built, I will update my review after I have put in into full duty use, however through my preliminary testing it is operating just as described. the only thing on my wish list would be that it was a 30A unit.
June 15, 2017
I wish to thank Anself for building this charge controller. Wow, Battery voltage and usage (Amps) displayed on the screen. Two 12 volt outlets and two USB ports, very nice. I am still testing the two units I purchased. I have one concern which I will take up with Anself -- When the charge controller is connected to a battery, turned on, and not connected to the solar cells, I am measuring a 2.6 volt current on the solar cell connections. I don't think this should happen. I would expect voltage to be zero, and do not understand why. Other than that concern. Very well built. Nice design. Well thought out. Ships with two 12 Volt power cables ready to be soldered to whatever.... Thank you Anself for providing a great product at a reasonable price... Thank You!!
February 11, 2016
I can connect the input to just about any energy producing device and it seems to charge. I have mine on a wind generator. It is allot smaller and lighter than I anticipated. The quality seems a bit sub par, maybe it is the thin plastic, not that it bothers me. I am happy at how well it works and the price is fantastic, I got 20 amp which is (20A x 12V) =240 Watt. That is a lot of solar panel in my opinion. You don't want to run it near maximum for extended periods though, if you need bigger you can buy more than one at that price. The screws are a little small for my hardware, you don't need any large wires for this type of application though. The load screws are perfect for small lights or something you may want to have running all the time, it will cut out when the battery gets below a certain amount it seems. However it is not intended to run with a big load.
February 10, 2016
So far, so good! Tested controller on a small solar pump project using a 10 watt panel and small, automotive sealed battery. The pump will run directly off of the panel, but the charge controller and battery extends the run time. Worked like a champ! The instructions are not written very well, but they make sense, if you read them carefully. For people new to the subject, recommend you search the internet for how solar charge controllers work and what the input and output terminals are for. Especially, the "Load" terminals. If you follow the connection sequence in the instructions, the controller works, as advertised. This product is well made. Some reviewers may have tightened the terminal screws too tightly. I had no problems with connections or operation. It's too early to see how long the unit will last, but I am impressed with the quality for the price!
November 16, 2017
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By Dale I. Patterson
November 6, 2017
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By Ben Kilber
June 20, 2017
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By Aaron D. Harper
June 14, 2017
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By Bruce P Henry
June 8, 2017
Great packaging! Great features! I'm using it as a charge controller on my boatlifts and I'm friggin' in love with these. They show the battery state and prevent over charging nicely. The connections are great (not stupid cheap screws but real clamp-type terminal connectors. Markings are clear and the faceplate is easy to read in daylight or at night. Overall, VERY very happy making.
April 20, 2017
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