FOR HP ZBOOK STUDIO G3 G4 G5 G6 240W CHARGER 4.5MM X 3.0MM PIN
Pin Size: Converted 4.5mm x 3.0mm Blue Pin. Type: AC Adapter. 2 Pin Power Cable: Not included (You can buy from404532922515 ). Adapter Output: 20V 12A. Adapter Input: 100-240V~3.5A 50-60Hz. Usefull Link.