SAE to 2.1mm Barrel Plug - GS28001RC
SAE to 2.1mm BARREL PLUG
A 4 inch, 18 AWG zip cord cable.
It has a standard SAE two prong connector on one end and a 2.1mmID x 5.5mmOD barrel plug on the other end.
The SAE plug connects directly to the solar charger and the barrel plug connects to various electronic devices and battery packs.