Connect 2 Portable Solar Panels Together

The nominal voltage remains at 12v.

Connect 2 portable solar panels together.

For example our 115w sunpower solar blanket has the following ratings. As clearly visible in the picture it will be enough to wire the positive pole of one panel to the positive pole of the other one and then wire the negative pole of one panel to the negative pole of the other one. Connecting two solar panels in parallel. If we have two solar panels with same voltage and power the connection will be very simple.

This allows to obtain the advantages of the series connection lower electrical losses and lower costs and the benefits of the parallel connection reliability. Maximum rated current 5 8a. Connect the negatives to the negatives and positives to the positives. Maximum rated voltage 19 8v.

The idea is to establish strings series connection of two or more panels and connect them in parallel with other strings creating arrays of strings. 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. For example a 110ah battery should never be connected to a panel more than 11w without a solar controller and if you are using a solar controller you do not need a blocking diode. That is a parallel connection.

If both panels are rated at the same maximum voltage then you ll get maximum output.