Solar output concern
I've just installed a 480watt solar system on my rv and I an concerned about the output. The panels are rated at 22.3 volts open circuit output and 18 volts operating voltage. My meter registers 19.28 volts at the end of the feed wire where it enters the controller which is 2 feet from the batteries. Is this good or am I getting too much voltage drop? I ran 10 gauge wire on the roof to a rooftop combiner box, then 12ft of 8 gauge from box to inverter bay where controller was installed. Then 6 gauge welding wire to batteries.
Is this all good? The controller is a Trimetric PWM65.
Stan & Jacquie
2007 Monaco Knight DFT 40'
2012 Equinox w/Air Force I, Blue Ox Alpha & Base, 600 Watts Solar.