EI-57 AC/DC Plug-in Type Linear AdapterInput meet UL,CSA,CE,TUV, ... .65-26.825VA21) 19V, 750-1,400mA, 14.25-26.6VA22) 20V, 750-1,350mA, 15-27VA23) 21V, 750-1,250mA, 15.75 ... .75VA24) 22V, 700-1,250mA, 15.4-27.5VA25) 23V, 750-1,250mA, 17.25-28.75VA26) 24V, 650-1,250mA ...