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What happens if some of the solar panel elements fall under the shade. I check myths about diodes and their purpose, application in solar batteries. I shade some of the elements on one panel and record the readings with current clamps. I have two 12v100w panels connected in series, and five such chains are connected in parallel. 1. Is it true that when some of the elements are shaded, the panel stops producing energy and draws energy from other panels. 2. Do the diodes installed on the panels help with shading. I tried shading with and without diodes