Forum Discussion

Explorer II

Nov 15, 2018

Initial information gathering to increase solar on roof

Please excuse me because I know less than nothing about solar. When I bought my Airstream TT in 2017, I had the dealer add the factory solar package. It included one 80 watt solar panel (brand unkn...

red31

Explorer

Nov 18, 2018

zenith 40 specs, Max. photovoltaic system input power 550W/12V.
http://www.grapesolar.com/docs/Grape%20Solar%20Zenith%20Series%20Charge%20Controller%20Manual.pdf

normally they use 13v for the calculated limit (13v X 40A) or 520w, the 20A max is 260w, may be a typo! 520w is greater than 480w, unlikely clipping would ever happen!

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Initial information gathering to increase solar on roof

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