3-Pack DC7909 to DC5525 Solar Adapters: Lightweight 8mm to 5.5mm Plug Connectors
Perfect for transferring power between devices with 8mm (DC7909) and 5.5mm x 2.5mm (DC5525) ports. One end: 8mm (DC7909) female connector; the other end: 5.5mm x 2.5mm (DC5525) male connector. Output male connector compatible with both 5.5mm × 2.1mm (DC5521) and 5.5mm x 2.5mm (DC5525) DC power connectors.