Sharing my solar setup that shows how I hook up my Jackery 500 to the Renogy Eclipse 50 watt panel by using a mc4 to 8mm adapter cable, and an 8mm extension cord. This should also work is Goal Zero batteries. It should also work with any solar panel with a mc4 connection.

Product links:

Jackery Portable Power Station Explorer 500 (Amazon): https://amzn.to/3qza0Gw

Renogy 50W 12V Eclipse (Amazon): https://amzn.to/3Cgfx7w

SolarEnz Solar Connector to 8mm Adapter Cable Perfectly Compatible with Solar Generator Portable Power Station and Solar Panel (Amazon): https://amzn.to/3NhNHhw

Goal Zero 15ft 8mm Extension Cable for Yeti, Boulder and Nomad Products (Amazon): https://amzn.to/3qxK4uV