LITEON 65W POWER CHARGER FOR HP PROBOOK 6555B 6470B 6570B 450 19.5V 3.33A
Adapter Output: 19.5V 3.42A. Adapter Input: 100-240V~1.7A 50-60Hz. Laptop adapters from various other adapter manufacturers can be used as long as the specifications are similar to the existing adapter.