If you had 4 solar panels in parallel and each was rated at 12 volts and 5 amps the entire array would be 12 volts at 20 amps.
How to wire 2 solar panels in parallel.
The solar panels are usually designed that they can handle being backfed from one panel but if you have a whole bunch you do run the risk of ruining your solar panel.
How to wire solar panels in parallel place the panels close to each other and oriented to the sun at the same angle check that the panels do not shade each other and that they are far from possible causes of shading choose an appropriate section of the electrical cable according to the.
To wire two or more solar panels and batteries in parallel simply connect the positive terminal of solar panel or battery to the positive terminal of solar panel or battery and vise versa respectively as shown in the fig below.
Connect all the positive terminals of all the solar panels together and all the negative terminals of all the panels together.
Wiring solar panels in a parallel circuit.