Fast charge an iPhone or Samsung smartphone while you charge another device at the same time with Belkin's Dual Wall Charger 42W. Dual ports include a 30W Usb-c port and a 12W Usb-a port. It s Usb-c Pd 3.0 certified to deliver fast charging of 0-50% in 21 minutes for iPhone or 0-50% in 26 minutes for Samsung.