Oneda 65W 18.5V 3.5A AC/DC Power Adapter for HP-Pavilion G7 G6 G4 M6; HP-Envy DV4 DV7 M4 M6: Laptop AC Power Adapter Extra Long Cord (Check Connector Photo) Input Voltage: AC 100-240V, Total output power: 65W, Output Voltage: DC 18.5V, Output current: 3.5A Improve the service guarantee, Satisfaction guaranteed and backed by a one year replacement warranty. Oneda new high-quality power supply adapter, a good reputation, as has always insisted on manufacturing quality products. Reliable circuit board design: overcurrent, overvoltage, overload, temperature and short circuit protection. Core security components, multiple protection and safer. Comprehensive environmental testing: to ensure the safety of products, apart from the strict implementation of 72 hours aging test, the test must also deal with a variety of physical and destruction, 100% quality assurance testing.