Power pax uk 5v dc 1a uk with micro usb output lead powerpax uk sw4450 e p this 5v dc 1a usb power supply comes complete with a micro usb output lead and a set of ac interchangeable ac pins the psu 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 sw4149 b power supply can be used to charge a wide range of products p powerpax uk sw4450 e 5v dc 1