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Review on πŸ”Œ JoinWin MFG Upgraded Solar Cable to 8mm Adapter for GZ Products - MC4 Compatible (Blue) by Travis Vasquez

Revainrating 5 out of 5

Polarity is correct for Goalzero!

I've seen a lot of feedback complaining about polarity. This one is correct. And if you look at the overview images, you will see that the positive and negative markings on the MC4 connector do not match the wire colors. However, since this is on the receiving end of your Goalzero solar panels, the polarity is actually correct. MC4+ connects to MC4. As long as your panel's positive pin (red) is connected to the red wire on this connector, you're good to go. Also, the blue 8mm adapter is perfect for Goal Zero input (compared to a similar product from iGreely). The picture with polarity shows what you need to connect to Goalzero. I assume it will work for other batteries too. I am very happy that I found the right product. This is an honest review. I didn't get one for free.

Pros
  • Absolutely amazing!
Cons
  • Hard to say