lAC Power Supply Adapter for HP/Compaq 310744-002 AC 100-Tip : 1.7mm * 4.8mm Input: 100--240V, 50-60Hz Output: 18 ... .9A,90W AC Power Supply Adapter for HP 310744-002Tip : 1.7mm * 4.8mm(Without central smart-pin inside )Input: 100 ... part NO: 393945-001, PPP009H, 239428-001, 324815-001, 239428-002, 310744-002, 287515-001, 394224-001, PPP014S, PPP012H, PPP012L, PA-1900 ...