Hipower DC Car Automobile Power Adapter Charger For HP Pavilion B5S15UA, DV7-7020, DV7-7020US, B4T67UA, DV7-7023, DV7-7023CL, B5R45UA, DV7-7027, DV7-7027CL, B4T71UA, B5R46UA Laptop Notebook Computers DC 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 **) Voltage Rating: 19.00V Output Watts: up to 65W maximum Amps: up to 3.42A maximum Connector Plug: Barrel With Center Pin