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Old 09-16-2020, 11:56 AM   #4
BiggarView
Montana Master
 
Join Date: Jan 2017
Location: home base IL, OTR anywhere
Posts: 532
M.O.C. #19382
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Agree with the audit. if you are using 30 amps(as an example) per day, you have 3.75 days of battery power to draw on (225ah*50%usable/30amps=3.75 days.). if you figure that the solar is giving you 80-120 watts and we use the nominal 5 hours per day of usable sun... you are still looking at 40ish amps replaced by the solar every day. methinks you have plenty for the job if that is all you are running. Do the audit. Extra solar would not hurt, extra pair of 225AH batteries would provide more peace of mind too... but... you gotta run the numbers.
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