Keep your electronic devices protected from power surges at home or on the road with this Enercell 6100055 mobile surge protector. Its rotating outlets make it easy to connect large chargers, and the two USB port outlets allow you to simultaneously charge tablets, phones, and many more devices. Features 918 joules of advanced surge protection on all USB and AC outlets with 1ns response time. Supports USB output 5V/1A total output - 5V/500MA each port.