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I recently purchased two Sunpower SPR-E20-327 panels from a contractor that had some extras. The VMP is 54.7, Imp 5.98, Voc 64.9, Is 6.46, A=15. I would like to set up a system using these panels to drive 5 small pumps at 1300 watts per day, with the capability to expand to 10 pumps. Trying to...