SMART Charger charges devices a maximum speed in a compact design. Charge fast - Dual USB with a maximum output of 3.1A (up to 2.4 per port). Smart IC Technology - Detects device to prevent over current over voltage and short-circuit. Less than 12mm thick with 90-degree foldable outlet pins. USB Outlets located at the top for an ideal space saving solution. Charge two devices at once.