How To Connect A Second Solar Panel

For example our 115w sunpower solar blanket has the following ratings.

How to connect a second solar panel.

Continuing up to the top left panel there will be 12 volts in and coming out with 18 volts. If both panels are rated at the same maximum voltage then you ll get maximum output. So a charge controller of at least 165 watts capacity will do the job. On the other hand if our two solar panels have both different wattage and different voltage then parallel connection is not possible since the panel with the lowest voltage would behave like a load and would begin to absorb current instead of producing it with the.

Maximum rated current 5 8a. Add together the wattage of the two solar panels. To do this we connect the positive side of the first panel to the negative side of the second panel. Your charge controller has to be able to handle at least 10 more than this.

Connecting solar panels in series. The series connection is done by wiring the positive terminal of each panel to the negative terminal of the next panel a connection similar to the ones of the christmas lights until the final panel is connected to the charge controller or inverter. Connect the negatives to the negatives and positives to the positives. Join me on my adventures.

There will now be 12 volts coming out of this second panel. They can be wired in parallel. I am living on the road in my self built camper van. Connecting two solar panels in parallel.

If we have two solar panels with the same voltage but different wattage there is no problem. In this video i show how i added a second solar to my existi.