Power pax uk 5v dc 2 1a usb with uk pins powerpax uk sw4479b p this 5v dc 2 1a usb power supply has a 90 264v ac input for world use it carries full international safety approvals and meet the latest erp stage 2 requirements with high reliability m t b f of 50k hours at 25 degrees c the sw4479 power supply can be used to charge a wide range of products p powerpax uk sw4479b 5v dc 2 1a usb power supply with uk pins