Power pax uk 5v dc 1a usb uk pins powerpax uk sw4492 v4 this 5v dc 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 mtbf of 50k hours at 25 degrees c the sw4492 v2 power supply can be used to charge a wide range of products this psu is supplied in black powerpax uk sw4492 v4 5v dc 1a usb power supply uk pins black case