Ac Adapter Charger for HP ProBook 640 G2 650 G2 440 G3 450 G4 640 G3 650 Laptop
How to choose the correct ac adapter for your laptop?. AC Power Adapter x1. DC Plug Size: 4.5mm 3.0mm. Power :45W. Power Cord x 1(EU,AU,US ,UK, standard is available). You may also like.