Evaluating a used solar panel & controller?
Hello folks - Thete's a 100 watt panel plus controller, local to me asking price $100. I emailed the seller and asked for details and what make/model of controller. (No reply yet.) I'm pretty s...
Forum Discussion
I'd also measure the open circuit voltage and compare to the Voc spec. More involved to test the controller. Check panel and controller model specs.
