The Dell 0285K is a notebook power supply for a compatible Dell laptop, converting AC input to DC power. Its rated output is 45 W at 19.5 V DC, identifying this specific adapter variant.
The laptop-side plug measures 4.5 × 2.8 mm and has a centre pin. The mains side has a C6 AC socket and accepts 110–240 V AC. A power cable is not included.
These details help check the adapter’s electrical rating and connections when identifying it for a notebook. It supplies the stated DC output from an AC source within the listed input range.