This is because if one part of a solar panel is damaged the energy output loss is considerable and almost as if you lost the entire panel.
How to test solar panel damage.
Dangling wires will be more susceptible to wind damage and pesky animals.
How to test a 12 volt solar panel vs other voltages.
You want to choose a voltage range capable of displaying the maximum possible voltage of the panel in open circuit this means that if you have a panel rated for 20 volts you should set the multi meter.
Solar panels today have become the best alternative as a source of energy.
You will want to ensure that you place the positive to positive and negative to negative when attaching your multimeter to the connection on the back of your solar panel.
You have to do a demonstration and show that your solar panel project is ready to operate.
Installing smaller solar panels can reduce the damage caused during a hail storm.
You can reduce the loss of energy output by reducing the size of the solar panels.
To test a 18v solar panel voltage output directly put your solar panel in direct sunlight set your multi meter to the dc volts setting.
You use it to power any form of an electronic device.
You want to make sure that all the wires are secure and firmly in place.
While this is the area that is least likely to sustain damage it is still good to check just in case.
When you are inspecting check the underside of the panel as well.