Dexpt [UL Listed] 65W AC Charger Adapter Compatible HP EliteBook 840 850 820 830 840r 848 G3 G4 G5 Laptop Power Supply Cord Compatibility - (65W) HP EliteBook 820 G3 G4,830 G5,840 G3 G4 G5,840r G4,848 G3 G4,850 G3 G4 G5 Output Max - 19.5V 3.33A 65W Input Volt Range - 100-240V 50-60HZ UL Listed Products - the product has successfully met stringent requirements.Manufactured with the highest quality materials and include multiple smart features safeguarding against IV - incorrect voltage, SC - short circuit, IO - internal overheating. Package includes - 1 * power adapter, 1 * ul listed power cord Guarantee - Within 30 days of purchase, we offer a no-questions-asked full money back guarantee