This MPPT charge controller seems to work quite well. I am running 250w solar panels with two 100ah deep cycle AGM batteries. It's day three and even on cloudy days (here in northwest Washington state) my batteries have never dropped below 12.6. And I'm looking at a 24-inch smart TV with 50-watt speakers, a small LED backlight, and a small fan. I leave a fan on all night to help me sleep. I am very happy that I bought this charge controller and I am happy to give it 5 stars.
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