DC 5.5×2.1mm to DC 8.0×2.0mm Connector Adapter
Suitable for 10W to 200W solar panels. Easy To Use: The adapter features a user-friendly design that allows for quick and tool-free connection. DC5521 to DC8020 Adapter: Female connector: DC5.5×2.1mm, Plug in power adapter at this end (supports 5.5×2.5 jack).