Discount 30A LCD 12V 24V Solar Controller Regulator Charge Battery Power

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Using it on my 4x100w panels, shipping took a little longer, but the charge controller working as expected, have many adjustable options, very nice to come with a temperature sensor.

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I took the chance to buy this product directly from China but it all worked out very well. The product arrived sooner than anticipated and in good working order. All the functions operated as described and I am quite satisfied with the purchase.

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I have this controller running for about 4 weeks now. In general, it is hard to impress me. This controller actually did. What I like the most about it, is the fact that I can set certain parameters that matches my setup. Also, you'll be able to check on charge current and the load current via the display. The accuracy is a different story. There are many ways of connecting the controller in regards of wiring, size of the wire used etc. If the wire gauge is not sufficient, you'll have a voltage drop across the wire. I managed to connect a 4 Gauge wire between the battery(s) and controller, since I wanted a fairly close reading. The controller seems to be off a few hundred millivolts. This is not really a problem if you have a DVM available to measure the battery and compensate for the display reading. I haven't checked the current readings, but think I am happy from what I see, even if it may be off a little. I have a set of PV's totaling 500W and even on hazy days they push between 10-15 Amps through the controller. One could expect up to 25 Amps on real sunny days and depending on charge condition of the Battery(s). So far I have seen 18 Amps on charge current in the morning after a night's run.

Another feature is the charge AH and the load AH. I have at the time of this writing about 400AH in and a little less out, meaning I saved 5.5kWH just within a few weeks. However, this is not the primary reason for the Solar setup, being independent with the system that is supplied, means a lot more to me than the savings. Also, whatever the panels deliver, does not have to come off the grid. Another nice feature is, that you can switch the load out with press of one button.

I am quite happy with the price to performance ratio.

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Just installed it 2 days ago. Every thing is going well so far. Very easy install, read out panel is very easy to read.

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I am using this controller together with a 100W solar panel and 120Ah battery in a week-end cabin. It has a very good visual interface, it has settable voltages for everything and it detects the 12/24V automatically. I originally got it because of the low voltage disconnect feature (to protect the battery) but I really find it to be a useful tool for a solar energy beginner.

It also has a thermometer that it uses to regulate battery voltage.

Pros: Usability, Features, support for 12/24 so I can add up to 6 panels of 100W, functions in a large temperature range (good in winter)

Cons: The holes for wires seem small to me but they take up to 3 #10AWG wires. The cost is a bit higher than equivalent controllers.