Hipower 90W DC Car Automobile Power Adapter Charger For IBM Lenovo Thinkpad R400, R500, SL500, SL500C, TYPE, 2746, 4414; T60, T60P, TYPE 1951, 1952, 1953, 1954, 1955, 1956, 2007, 2008, 2009, T400, T400S, T410, T410I, T410S, T410SI, T510 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: 20.00V Output Wattage: up to 90W maximum Output Current: up to 4.50A maximum Connector: Barrel With Center Pin