The ejectable battery has two USB and one USB-C ports that can charge your phone and your laptop simultaneously. It ejects from the case in order to be compliant with airline flight regulations and allows for easy transportation should you want to use it for anything else.
It complies with all regulations from individual airlines, and the Civil Aviation Safety Authority (CASA), Transportation Security Administration (TSA), International Air Transport Association (IATA), and Department of Infrastructure: Aviation (DOI).
Each July case also comes with its own charging cable.