Innergie mCube90 TADP-70AB AG Universal Adapter for Travellers Carry one single adapter to power your notebook and USB devices at the same time Detach the world's smallest Auto/Air adapter and carry it with you Charges most popular brands of laptops with power requirements between 18-21 Volts, 70 Watt continuous and up to 17" display Includes four types of built in protection to ensure you never have to worry about damaging your input devices Extremely high power efficiency and Energy Star certification