About this item INPUT: 100-240V-1.5A, 50-60Hz OUTPUT: 16V 4.5A, 72W Connector size: 5.5*2.5mm COMPATIBILITY: ToughBook models CF-18, CF-P1, CF-R1, CF-R2, CF-T1, CF-T2, CF-T4, CF-T5, CF-W2, CF-W2A, CF-W2D, CF-W4, CF-W5, CF-Y2, CF-Y4, CF-Y5, CF-29, CF-30, CF-50, CF-51, CF-73 and others. P/N: CF-AA1653A, CF-AA1653AM, CFAA1653A, CFAA1653AM, D169004 Dimensions: 7.4 x 5.04 x 1.85 inches.