Supplied with 7 tips for compatibility with most ultrabooks, HKA04519523-XA mini 45 W Adapter provides 19.5 Vdc output voltage to fit most laptop computers. Unit features input voltage of 100–240 Vac, standby power of less than 0.10 W, and greater than 88% efficiency. Wall charger or AC plug can be used to charge ultrabook based on distance to electric outlet.
This story is related to the following:AC/DC Wall Plug-In Adapters | AC To DC Power Supplies |