Excellent question and i cannot for certain tell you the answer except to say that i leave solar panels out in the sun regularly not connected to anything and they have not developed any damage.
Leaving solar panels disconnected.
Touch the metal part of the red.
Turn on the voltage meter and set it to measure direct current voltage dc.
There is not a problem.
I would be more worried about the connectors of your panels when not in use accidentally coming in contact with something connecting a circuit and causing damage or a fire.
Unless you have some older sunpower brand panels there is really no harm in disconnecting the panels.
26 in 24 posts thanks given.
By cutting off the sunlight.
Leaving solar panels disconnected for 6 months.
It doesn t matter if panels have leads disconnected as the voc will be present at the shielded tips but no current can flow absolutely nothing happens.
The solar cell you have installed provides about 1 3rd of an amp charging rate.
Let the panel dry completely before you start to repair the leaks.
Disconnect all wires and let the water drain out of the panel.
How to safely disconnect solar panels step 1.
Locate any water leaks in the pipes of the solar panel.
Take large opaque cloths and completely cover each solar power panel in the system.