GPK Systems 65w Auto Power Adapter for Compaq Presario Cq60 Cq61 Cq62 ; Hp Pavilion Dv4 Dv5 Dv6 Dc Adapter Plug Laptop Notebook Battery Charger Car Charger Input: DC 11V - 16V Output:18.5V 3.5A 65 Watt Service & Support 1 year warranty Use minimal power this adapter is designed to save energy Designed exclusively for use with the laptops 100% compatibility with the original