Quote:
Originally Posted by djac13
@bisjoe, how do you know if you need to switch the polarity or not? Will the charge not work or are there other worse symptoms that might happen?
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If you have a Zamp "solar ready" or full OTG system, the SAE connectors will be reversed in polarity for most, if not all, non-Zamp solar panels. Also, most other solar panels will have MC4 connectors rather than the Zamp/SAE connectors. I added Renogy panels to my Cougar Zamp OTG system, so I ran MC4 to SAE connectors, then had to add the SAE reverse polarity connectors to maintain correct polarity. Verify your connections with a multi-meter. It can be a bit confusing to convert connectors and switch polarity all at the same time.