Backfeeding panels


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pollenface

Newbie

Joined: 01/09/2020
Location: Australia
Posts: 26
Posted: 06:31am 28 Oct 2020      

The diode under the black box on the back of the panel is the "bypass" diode. It allows power to flow if you have a few connected in series and one getting a bit of shade. The shaded panel creates resistance so the bypass diode offers a path of less resistance.