USB A Female To 5.5 x 2.1mm Female DC Power Converter Charger Adapter Connector | eBay
USB 2.0 A Type Female To 5.5x2.1mm DC power Female. USB Type A Female. Provides 5V DC from USB,Power devices from a USB to 5521 port. For small electronics and devices which use a 5.5 2.1mm barrel jack for a power connector. | eBay!