Forum Discussion
BFL13
Mar 31, 2014Explorer II
---"Correct. And it gets easier when you know your daily draw. By looking at the solar "summary" in the evening, I can tell how much of this went into battery because I know my daily draw."
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I still don't follow how you can tell how much of that daily draw (as seen by the solar controller) was done by solar using spare solar in the afternoon when the batteries didn't need it all.
Only if all the solar went only to battery and all the draw came only from the battery would you be able to maintain track of the battery SOC using solar AH.
Otherwise you are down to just using the morning voltage as a sort of resting voltage to get approx. SOC, same as anybody with no monitor does.
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I still don't follow how you can tell how much of that daily draw (as seen by the solar controller) was done by solar using spare solar in the afternoon when the batteries didn't need it all.
Only if all the solar went only to battery and all the draw came only from the battery would you be able to maintain track of the battery SOC using solar AH.
Otherwise you are down to just using the morning voltage as a sort of resting voltage to get approx. SOC, same as anybody with no monitor does.
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