Bull 45W 19.5V 2.31A 4.53.0mm Replacement Laptop AC Adapter Charger Power Cord for HP 719309-001 719309-003 721092-001 741727-001 740015-001 HSTNN-CA40 ADP-45WD B DC-Output : 19.5V-2.3A-45W - Input : 100-240V - 1A 50/60 Hz Connector tip:4.5*3.0mm (blue tip) Overcharger and Discharger Circuit Protection CE- FCC- RoHS-Certified for safety. Good Quality:100% OEM compatible works as original part 12 months warranty