PowerUp Car Power Supply Charger DC Adapter Fits Compaq Presario CQ56, CQ56-100, CQ56-104CA, CQ56-109WM, CQ56-110US, CQ56-112NR, CQ56-115DX, CQ56-122NR, CQ56-124CA, CQ56-129NR, CQ60-419WM, CQ60-420US Notebook Laptop Portable Computer DC Plug: Barrel With Center Pin Amps: up to 3.42A maximum Output Power: up to 65W maximum Output Voltage: 19.00V Input Rating: 11-15V DC (** This is a DC power adpater for use in vehicles. This is NOT an AC wall adapter for use in homes **)