There is a point where switching to high wattage/voltage panels and an MPPT controller is more cost efficient and effective. You also can get away with 3 panels and be at 800w plus.
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2016 Montana 3160RL w/MOR/Ryde IS and Disc Brakes
855W Solar System, TriStar MPPT-60 Controller, Magnum 2800W Inverter, 6 Trojan T-105REs
2015 Chevy Duramax SRW SB Crew Cab
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