Actually Harvey, my controller does have a unique way of increasing power from the panel. I have a specially built panel that includes one extra row of cells that in theory will allow the panel to generate over 21VDC. The matched controller takes the excess voltage and with a bit of loss to heat, increases the amperage to the battery bank. On a good day I will see just over 6 amps from the panel that is converted to 7.5 to the battery. At least that's what the LCD says.
Since you store your TM indoors, you might benefit from Bill's portable method. I see you have lots of experience with solar, but if I'm not there to monitor it, I have a good controller that will.
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Rotor_Wash
HEMS (Helicopter Emergency Medical Service) Pilot (ret)
Northern VA
2002 3124KS
2007 Tahoe
Solar
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Threaded Mode
