... output : 18.5V 4.9A Certification: CE & FCC AC adapter Specification:Input Voltage Range:100-240V 50-60Hz Output: 18 ... diameter:1.7mmExternal diameter: 4.8mm Compatible laptop models: HP/COMPAQ P/N: 325112-001, 324816-003, 324816-002, ... 2545AP, 2545US, 2550AP, 2555AP, 2555US, 2560AP, 2565AP, 2580US, 2585USHP/Compaq Business Notebooks 1050v, nx9000, nx9005 Series: DC749A, DC750A, DC751A, DC767T ...