Hiport DC Car Automobile Power Adapter Charger For Dell Inspiron 910, PP39S Laptop Notebook Computers 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 **) Output Volts: 19.00V Output Wattage: up to 65W maximum Output Current: up to 3.42A maximum Connector: Barrel, Center +