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Sunpower 435 watt panels. voc 85.6v isc 6.43A. Why does my Klein CL2000 meter show amperage higher than isc? It reads 9.56A when the panel is in the shade and facing the ground and over 12A when in full sunlight. Voltage reads fine at 79v, panel temp is approx. 40 deg. F

I am in the planning stage for solar power systems for both my house and RV. The RV system is going to be in excess of 3200 watts as we'll be using a large battery instead of a generator. Is there a practical way to plug those panels or the panel/battery into my residential system so they're...