Charge virtually any brand of laptop at home, in the car or on a plane with this travel charger. Second USB port provides power to an additional mobile device. Integrated iGo GreenÂ® Technology automatically reduces wasted standby power by 85%, plus enables automatic shut-off and recovery. Works worldwide without a voltage converter. Interchangeable power tips are compatible with thousands of USB-powered devices, eliminating the hassle and waste of multiple chargers.