This is a ac adapter charger for pa-12 65w df263 la65ns0-00 dell. The power output is 65 Watts and 19.5 Volts. Input voltage 100-240 Volts. Output amper is 3.34A and the diameter is 5.0 mm X 7.4 mm. This ac adapter has built in surge and overcharge protection to ensure the safety and performance of your PC.