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Thanks for this reply. Maybe I'm not understanding something, but 1kWh per day converts to about 42 Watts. Why would I need several 100W panels? Is the power ra

by prmph 8y ago

Thanks for this reply. Maybe I'm not understanding something, but 1kWh per day converts to about 42 Watts. Why would I need several 100W panels? Is the power rating of the panels a peak, before efficiency or lack-of-sun losses are taken into account?

odonnellryan 8y ago
You only get real power out of your solar for a few hours a day, at best. This needs to be enough to supply power to your equipment during those hours while also (hopefully) giving your battery bank a full or near full charge. Your panels will pretty-much work 24/7 though. I've gotten half an amp from the moon on my 2x 100w panels. > Is the power rating of the panels a peak, before efficiency or lack-of-sun losses are taken into account? Yeah. They can actually put out a tiny-bit more, but don't expect them to. Plan for them outputting peak 70% of what they are rated for, actually.