Genuine Compaq Presario HP Pavilion AC Adapter 391173-001AC Smart pin slim power adapter (90-watt) - 100-240VAC 1.5A input, 50-60Hz, 19VDC 4.74A output - Does NOT include dongle for use with older, non-Smart compatible notebook PC'sSpecifications Dimensions 4.65 x 2.09 x 1.3 in (11.8 x 5.3 x 3.3 cm) Weight 2 lb (900 g) Input Nominal 12 or 24 VDC (10 to 32 VDC) Input Efficiency 83% min at 15 VDC Input DC current 11 A at 10 VDC Output Output power 90W DC output 19.5V Output current limit <11A, Over voltage protection- 29V max automatic shutdown Connector Smart Tip Environmental Design Operating temperature 32 to 95 F (0 to 35 C) Non-operating (storage) temperature -4 to 149 F (-20 to 65 C) Altitude 0 to 10,000 ft (0 to 3,048 m) Humidity 20% to 80% Storage Humidity 10% to 90% EMI and Safety Certifications E-Mark; ACA; Worldwide safety standards EN60950, UL1950, Agency approvals C-UL-US, , NOM-1 NYCE; MTBF over 200,000 hours at 25C ambient condition.