Regular Member
Joined: 01/09/2020
Location: AustraliaPosts: 47
| 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.