Product details:

Plug one end of the adapter into your HP Mobile Workstation or HP Docking Station[1] and the other end into a standard outlet. The included 4.5 mm to 7.4 mm smart cable allows you to carry one adapter for new and legacy platforms. Power up wherever you work. The compact, reliable adapter fits easily in your notebooks carrying case and is 50% lighter than its previous generation model. Get an adapter that detects and regulates the correct electrical current for your HP Mobile Workstation or HP Docking Station[1].