Oneda 90W 19V 4.74A AC / DC Power Adapter Laptop Charger for Samsung Series 2, 4, 6, 8; 270E, 275E, 470R, 680Z, 880Z; NP470 Input Voltage: AC 100-240V, Total output power: 90W, Output Voltage: DC 19V, Output current: 4.74A (60W Compatible) 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.