Hipower AC Power Adapter Charger For IBM Lenovo ThinkCentre M58, Type 6139, 6175, 7187, 7348, 7359, 7626, 7637, 8820, 7359-B4U, 7359-B5U, M58P, Type 6136, 7345, 7356, 7479, 7629, 8336, 8338, 9961 Eco Ultra Small Input: 100-240V 50/60Hz worldwide power compatible Output Volts: 19.5V Output Wattage: up to 120W maximum Output Current: up to 6.15A maximum Connector: Barrel, Center +