MPPT Choice ??
Looking to put 4 high voltage panels on the Discovery. Was just measuring and figured out that I could plut 4 panels on the roof w/o any issues. I was looking at the following Xantrex charge contro...
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Wow.. you'll have quite the setup. I'm jealous already. Now...
The panels are nominal 20v. Never heard of that before, but it's irrelevant considering that really nice controller with the 150vdc input.
Now, if 60a means that's the maximum rated output to the batteries, then you may have a problem. Let's say that array pumps out 850w on a really good day. Assuming a 12v battery array, 850/13 =65+ amps. I think a 24v battery array would work better.
Something to chew on.
The panels are nominal 20v. Never heard of that before, but it's irrelevant considering that really nice controller with the 150vdc input.
mchero wrote:I assume you're looking at the 60a one? I thought I saw 2 on that page.
Should I step up the Charge Controller or should I be AOK?
Now, if 60a means that's the maximum rated output to the batteries, then you may have a problem. Let's say that array pumps out 850w on a really good day. Assuming a 12v battery array, 850/13 =65+ amps. I think a 24v battery array would work better.
Something to chew on.
