With this Goal Zero MC4 to 8mm Adapter Cable, you can connect a solar panel with an MC4 output to the 8mm input of Goal Zero Sherpa Power Packs and Yeti Power Stations. One end of the cable features an MC4 connector, while the other end has an 8mm plug, making it easy to transfer power from your solar panel to your devices.
Note:
The maximum power that can be connected via the 8mm port varies by model: