Powerful: 2.4A current per port for 4.8A total output; available for charging two tablets simultaneously, also other USB devices. Exclusive iSmart Technology: Both USB ports are equipped with iSmart technology, which automatically detects and delivers the optimal charging current for connected devices. Worldwide Voltage Compatible: 100 - 240V charger with foldable plug and weighs only 3.4oz - ideal for home, business, and travel. Multiple Safety System: Premium circuitry design with high-temperature, high-current, and over-charging protection; LED indicates whether the charger is properly connected. Warranty: 18-month Replacement Warranty, 30-Day Money Back Guarantee and Friendly Customer Service. Product Info