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HiTech's avatar
HiTech
Explorer
Dec 14, 2012

Measuring solar yield approaching winter solstice

I need to get a temporary setup on the RV roof to measure solar yield around the winter solstice. How deeply discharged will I need to get my 85 Ah battery so that it allows pretty full production ...
MrWizard's avatar
MrWizard
Moderator
Dec 21, 2012
934.5 watt hr

71.05 amp hrs

slightly less out put today
but this much difference is NOT due to minutes of lost sunlight.
more likely the air was less clear, not as cold and windy as yesterday

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