Don't know. On July 24 there will be zero clouds in the sky. Zero panel shading. The panel faces the sun directly and is supported by a sheet of aluminum held about 2 inches from the aluminum by wooden battens. Maximum output is 61W when using a high quality Victron MPPT charger which will charge multiple badly discharged golf cart batteries. I don't know how to do it. to upgrade my setup to get somewhere around 100 watts or more as advertised with a reflective background.
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