Input Voltage: 100V-240V Output: DC 12V 6A Power Wattage: 72W max, DC Connector: 5.5mm x 2.5mm, Compatible 5.5mm x 2.1mm DC Port. It perfect replacement for 3A / 4A / 5A as amperage isnt forced. (If your previous Adaptor was less than 6A then this will be a perfect replacement as amperage is NOT Forced)