The panel works fine with the alligator clips to hook onto the battery but the pre installed Zamp plug is the opposite polarity. I found a 16 gauge polarity adapter with the SAE plugs. Is 16 gauge enough for a 10 amp controller? I know I could just reverse the wires at the controller but then I'd have to remember that if I wanted to use the alligator battery clips.
You probably don't want to go any smaller than 10 gauge, but larger would be better since you would be piping it through the panel leads, then the Zamp connector (which is probably 10 gauge as well), then through the SAE adapter.
If it were me, I would just keep doing as your doing with a direct connection to the battery. Tops.. you're probably only getting 5.5amps to begin with so that's an awful long way to be pushing them if you go through the Zamp connector.
One suggestion might be to add an SAE connector to your battery posts and plug your Renogy directly into that vs alligator clips. You'll get a better connection and more efficient flow from your panels.
Agree with Yarome. Have the Renogy solar suitcase and rather than use the Zamp connector I made a set of cables with ring connectors on the battery end and another SAE connector to connect to the panel using 10 gauge. Folds up and fits nicely right alongside the battery inside the case when not in use.
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