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Post by southtoms on Dec 14, 2015 10:03:28 GMT -8
I have 4 - 100 watt Renogy panels in series, a Aim MPPT controller, 4 - 6 volt 225 AH lead acid batteries, wired series parallel in my motorhome. How long should the batteries take to charge if they have a voltage of 11.9 volts.
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Post by Admin on Dec 15, 2015 16:36:24 GMT -8
Hello Sir,
Depending on your location and how the panels are mounted it can take 2-3 days to charge this battery bank from 11.9 volts to 12.8-12.9 volts. This is also assuming the weather conditions are ideal.
O.C
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Post by spiderbob on Dec 19, 2015 17:10:11 GMT -8
Being wired in series, if even on part of one panel gets shade at anytime, will reduce your output tremendously, that is why I went with parallel wiring not near the reduction if one part of any panel gets shaded. I believe that is why the tech is saying 2 - 3 days. So many things to consider, time of day, where you are parked, how you are parked, etc.
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