Hipower DC Car Automobile Power Adapter Charger For Acer Aspire One D257-13685, D257-13748, D257-13836, D257-13876, D257-1471, D257-1486, D257-1489, D257-1622, D257-1633 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 +