I own two folding 21w portable usb Ravpower panels, an Anker 21w panel and a goal zero nomad 7. Can any of these be chained together using a combiner, splitter, daisy chain cable with a 5.5 mm barrel plug on other end and into a solar port on a charge controller? Btw, I also have a Harbor...
Thank you for the info. Have you supplemented with folding Goal Zero, Ravpower and Anker portable solar panels? I realize most cannot be chained or dumped into a charge controller