Hipower DC Car Automobile Power Adapter Charger For Compaq Business NC2400, NC4400, NC6320, NX6310, NX6315, NX6320, NX6325, NX7300, NX7400 Laptop Notebook Computers DC Input: 11-15V DC (** This is a DC power adpater for use in vehicles. This is NOT an AC wall adapter for use in homes **) Voltage Rating: 19.00V Output Watts: up to 65W maximum Amps: up to 3.42A maximum Connector Plug: Barrel With Center Pin