... 4.9AInterior diameter:1.7mmExternal diameter: 4.8mmCompatible laptop models:HP/COMPAQ P/N: 325112-001, 324816-003, 324816-002 ... , 324816-001, PA-1900-05C1, PPP012L, PPP014S, 325112-021, 308745-001, 309241-001, 310925-001, F4600A, F4813A, F5104A ... , ZE5155, ZE5170, ZE5185, ZE5200, ZE5279, ZE5300, ZE5395US, ZE5478CL, ZE5490US, HP Pavilion ZE5000 ZE5100 ZE5200 ZE5300 ZE5400 ZE5500 ZE5600 ZE5700 Series ...