This 96W desk-top type AC DC charging adapter can be powered from 100 VAC or 240Vac, vehicle or aircraft battery by using a different adapter.Electrical noise reduction,radiated electrical noise falls off with the square of the distance, it is to the manufacturer's advantage to convert potentially noisy ACcable power or automotive power to "clean", filtered DC in an external adapter, at a safe distance from noise-sensitive circuitry.
