GET TO KNOW YOUR GEAR HOW TO CONNECT Connect a Nomad 50 Solar Panel to a Goal Zero Yeti Portable Power Station or Sherpa Power Bank by inserting the 8mm blue-ringed connector into the 8mm input on the units. You can also charge USB devices by plugging into the built-in USB port. HOW IT WORKS Nomad 50 Solar Panel Goal Zero Yeti 500X Portable Power Station Laptop HOW TO CHAIN The safest and easiest way to chain Nomad 50 Solar Panels is by using an 8mm to APP Combiner Cable.