SmartJ 4 USB 48 Watt Smart Universal High Capacity [High Power] (White) Smart IC inside easily identify your device to deliver the fastest charging speed (up to 2.4 amps per port or 9.6 amps overall). 48W/9.6A total output with four standard USB output port enables you to charge four tablets or phones at the same time Ultra-Smooth Surface: Smart body in stylish & unique design,best ABS+PC+Aluminium surface material,without any moulding line. Rapid Charger Power - 50 Watts / 10 amps across 4 USB ports each with 2.4 Amps Premium construction and circuitry with CE, FCC & RoHS certification protect you and your device. Two-year worry-free product guarantee for every purchase from SmartJ