Power specsAC input:100-240V 50-60Hz, DC output:19.5V 9.23A, Power:180W(Compatible with 19V 7.1A 135W) ,DC Plug Size: 5.5 mmx1.7mm(NOT for laptops requesting 19.5V 11.8A 230W or 19.5V 16.9A 330W). Compatible M/NADP-180MB KNOT FOR MSI.