Hipower DC Car Automobile Power Adapter Charger For IBM Lenovo Thinkpad T41P, T42, T42P, T43, Type 1871, 1872, 1873, 1874, 1875, 1876, T43P, Type 2668, 2669, 2678, 2679 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: 16.00V Output Wattage: up to 75W maximum Output Current: up to 4.69A maximum Connector: Barrel, Center +