10x - HP 45-Watt AC Power Adapter Chargers , Large Barrel
Genuine HP Chargers - Used condition, multiple quantities. 3-prong power cord may or may not be included

Large Barrel: 7.44mm * 5.00mm
Outlet: 3-prong 
Cord Cable: US plug
Input: 100-240 V ~ 1.4 A 50-60 Hz
Output: 19.5 V - 2.31 A