Hipower DC Car Automobile Power Adapter Charger For Compaq Presario CQ62-238DX, LW443UA, CQ57-214, LW439UA, CQ62-423, XZ199UA 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