Xantrex Charge Controller for DC Charging Sources - 35 Amp, Model# Reviews

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The Xantrex C35 is the best charge controller I've ever had! My last controller was a Coleman Air C40, and it was working fine running a total of 25 watts of panels. Then I hooked up a 100 watt panel and the little dinky controller went crazy; constantly disconnecting the source and costing me precious power. I went ahead and bought the Xantrex C35 and it's MUCH better. Not only is it COMPLETELY solid state (the old controller had a dinky auto relay), but it has the 3 stage charging. That REALLY sped things up. I know from experience that other controllers either turn the source on or off, and only judge by the battery VOLTAGE. The C35 did a fabulous job of monitoring both voltage and amperage. The 3 stage charging has litterally changed the way it charges the battery. Plus, it includes the pulse-width modulation. What this does is send the power to the battery in high-voltage bursts (thousands per second). This "shocks" the plates and helps keep them clean from sulfate buildup. Then there's the equalization. I have mine set to auto, and it's working great, cleaning the battery bank for me about once a month.

I would love to get the remote meter on it ASAP!!

The other thing about this controller is how easy it is to change the pentometer settings. Litterally 4 screws and your in.

One thing they don't mention in the description is the auto-off at night. If you're using a PV array, it will automatically disconnect the array at night so NO electricity leaks back from the batteries (even with diodes installed). In the morning, as soon as it detects electricity from the panals, it will turn back on.

In conclusion, being able to control the current and voltage going into the battery really made me spring for this one. The durable construction and easy controls make it the best controller I've reviewed! I would recommend it to anyone starting with solar, wind, and hydro. If it's too small for you, there's the C40 and C60, which are almost identical.

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I bought this a little while ago but now I finally have it installed. It was exactly what I needed for my barn. It was easy to wire and the instruction manual solved all of the issues you could ever imagine. I had my led light in backwards and that was in the troubleshoot. Xantrex seems like a good company to deal with in my opinion. Right now I just have one 7 amp panel so I have plenty of room to grow with this. I can't wait to add on the digital display. and I will probably go with a xantrex inverter too.

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Perfectly designed and built. It does EXACTLY what it's supposed to do: Charge and maintain your expensive batteries. Totally automatic and no need for bells and whistles. All the quality is inside the box. I've purchased more than 20 over the years for solar installations and never had a problem with any of them. The instruction manual is extensive and well written. There are units out there with cute led readout displays and flashing lights however, they are mostly plastic, under-rated and flimsy in construction. The Xantrex units are built for safe and automatic charging of your expensive solar panel/battery installation. The connection lugs/terminals are large enough to get a good connection with wires as low as 4 gauge, making the installation clean and capable. Install it and forget it. I like that. I give it a 10.

Honest reviews on Xantrex Charge Controller for DC Charging Sources - 35 Amp, Model#

The only drawback is no digital readout. there is one available for it but it nearly doubles the

price. A digital readout is not a necessity. A blinking light tells you the battery's general

state of charge and you can always check every thing with a volt meter.

The ability to adjust float and charge voltages, and a equalization mode (All important for

long-term battery health) make this controller an excellent buy

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I followed instructions to "T" and this boiled my battery almost dry, caught it before it fried my battery. hope I can figure it out so I can use it. Update could not get it to work properly, I finally just disconnected it and put it back in the box, I will try it on different panels and battery in the future.