Hipower 65W DC Car Automobile Power Adapter Charger For IBM Lenovo Thinkpad T400, T400S, T410, T410I, T410S, T410SI, T420, T420I, T420S, T500, T510, T510I, T520, T520I 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 Voltage: 19.00V Power Rating: up to 65W maximum Amps: up to 3.42A maximum Output Connector: Barrel With Center Pin