[Upgraded] 30A Solar Charge Controller, Black Solar Panel Battery Intelligent Regulator with Dual USB Port 12V/24V PWM Auto Paremeter Adjustable LCD Display (30a)

With the world moving to alternative power, and constant breakdowns of our existing power sources, I have been looking to other means of keeping my family able to sustain ourselves in case of emergency. So I have been gathering parts to build a small array. I am not totally sure I want the panels on my roof. I lean to the idea of self sufficiency as opposed to large bills for maintenance and repair. This item was economically priced, and it is one of the pieces you have to have in an array. I like it because it is simple in nature and you don't have to be a genius to make use of it. All the points are clearly labeled as to what goes where. you have 2 USB ports and a clear digital read out. It is lightweight, but does not look cheap or carelessly made. I feel confident in my choice, and believe this will be useful for a while. as to how long that remains to be seen. This works for a small array, with direct contact. It's success will lead to larger things requiring a battery for storage. We shall see!

I bought this as a Stop Gap to Keep a High Dollar excavator Batter charged up in a remote site/ I thought this think was Junk and would Fail way befor now. It did work out of the BOX, I left it hooked up in the Boon Docks( East Texas swamp) Its still working. Hooked up to a 150 Watt Panel. its Good. Cheap junk that just works.

I bought this specifically because of the price point so I had pretty low expectations going in. I needed an inexpensive controller to setup some old panels for my camper and more importantly how much I will actually set them out and use them before investing in a much more expensive system. This does exactly what I need it to, it connects everything and works well enough. The voltage readout is about 0.2 volts higher than my multimeter reads at the same connections so be sure to measure and adjust accordingly, it stops the charge short of 100% and could cause battery damage from over draining if you're relying on it's readout. I actually left my other voltage cutoff in place and have just skipped the load circuit on this because of the variance. It would be nice if I could use the same charge leads I connect the solar panels with to connect a DC charger, not sure why they say not to and not a deal breaker at all but would love to lose the extra wires.

5 stars! It does the job for the rock bottom price of $10. Be amazed! Ok, here is reality. I have used this unit for 7 months to experiment with a 100W system. It regulates the charging of my very nice no maintenance lead acid batteries. It knows how to do this and most of the time it also knows that I am setup in 12v mode. 1. Do not use the 12v extension or the 5v USB connections. They really are not functional for any reasonable current output. The board will stress, a resistor heats up on the board and the LCD will blink out temporarily. I have not fried the board but I would advise connecting all power draw, USB or otherwise through a fuse block directly from your batteries. Sometimes the controller decides for no good reason that you are in 24 volt mode. This isn't good because it seems to happen when my battery is almost fully charged over 13V. That means it will try to overdrive well over 14V and possibly 6 or more amps into a full battery. This is no good. If you catch this your first easy sign is the battery charge picture will say barely charged... Disconnect the solar, then the battery... Wait 15 seconds then plug the battery back in... Carefully connect your solar panel. Pray it stays in 12V mode At the moment I unplug the solar panel when the battery is mostly charged and the system decides that it's 24V. I am only using this as a test bed drawing small energy for 5V USB networks at the moment. When I get serious and add more power and a proper converter I will pay good money for a real controller. So, great for the low price of $10 , great learning tool but pay real money if you want a reliable system you can count on.

This is NOT an MPPT charge controller. MPPT's can boost output current beyond the solar array current and then scan operating setpoints to maximize the boost. This functionality requires a heavy (i.e. high-current) inductor. The first thing l did when it arrived was check the step-down inductor quality (the 'Q') to estimate the real world current boost I would see. But, the heavy stepdown inductor was MISSING: this was obviously a PWM (pulse width modulated) device, not an MPPT. So, no current boost for me! This is also NOT a 60A device. If you had a 60 amp solar array and tried to run that much current through the PCB mounted wire connectors in the device for any length of time, chances are you'd set the plastic enclosure (and maybe your house) on fire. The internal FET heatsinking is also a bit of a joke at 60A... another source of melt-down. Used as a 20A PWM charge controller it might do simple battery voltage maintenance and prevent overcharging/discharging, assuming those functions work correctly. If that's all you need, then this could be an inexpensive solution. But, I can't say much more because I put it back in the box for return the minute I saw it was not as described in the ad and not what I ordered.

Worked well with my panels to provide 12v to charge rv battery and cellular usb devices.. with no ac around

Well, appears to be charging from my array so far, but getting off to a rocky start. Is mis-reporting my panel voltage, frequently dissagrees with my measured charging current gauge, and keeps forgetting all my programmed settings so far. Can't seem to trust what it's readings say. Will have to watch and see how things shake out with it....

I am using this device along with a 100 watt Coleman panel I bought from Canadian Tire that came without a charge controller (thanks for nothing Coleman! 🙄). Works exactly as promised/described on Amazon's listing. I like that I can configure the output power level to the battery, the charge level and the cut off (battery full) level myself (for now I've left them on the defaults). Very simple to use & adjust. The accessory 12v power output connector is an interesting idea, but as another reviewer mentioned, it seems to come on and off on a whim. I was under the impression from the instructions that it would turn on when the panel was inactive (at dark), and back off once it was charging again (when sunny) when set to 00. But when I tested this by disconnecting the panel to simulate dark, it came on and stayed on after the panel was reconnected. Weird. There is some kind of timer control to it, I didn't really explore it much more, but you can set it from 00-24. Does it just count time down from the setting once you set it? Who knows, there is very little information about it in the instructions. (As is typical with Chinese products purchased on Amazon). The USB outlets charge at a reasonably fast rate (my Samsung phone was at 39% & claimed it would be fully charged in two hours). The only other concern I have is regarding those very USB outlets. They are active even when the panel is disconnected (ie: when only the battery alone is connected). This tells me they are drawing and converting 12v from the battery to 5v for the USB outlets constantly. I suspect this could lead to a slow vampire draw on the deep cycle battery when/if the system sits idle without any panel connected to it or at night. But if you always have a panel connected, that shouldn't really matter - the daytime solar charging would likely more than make up for it. I was getting 13.1/13.2 volts into my battery under a heavy overcast sky late in the day, my panel was putting out more than 18 volts at the time. I definitely highly recommend this simple little controller, I'm completely satisfied for under $20 (including taxes).

Macht was er soll....

Perfecto funciona.

Funkar perfekt. Lätt att förstå och lätt att installera.

Je déconseille, na pas fonctionner plus d'une heure deja HS, port de charge usb défaillant, à fait cramer tout le contrôleur, article à éviter