Oneda 90W 19.5V 4.62A AC/DC Power Adapter for Dell Inspiron N3010 N4020 11z 1440 1470 1564 1521 1526 1750 1764 1721 M101z; 7kp4x 331-0536 Mk911 310-8814 Nf642 310-9439 310-7697 310-2860 Kt190 330-2763 Input Voltage: AC 100-240V, Total output power: 90W, Output Voltage: DC 19.5V, Output current: 4.62A(19.5V 3.34A 65W 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.