Oneda 65W 19V 3.42A AC / DC Power Adapter Laptop Charger for Acer Aspire 5349 5742 5750 5552 5560 5720 5733 5749 5755 5920 1410 4339 4830t 5733z 5750z; V3-551 V3-571 V5-431 E1-531 E1-571 E1-572 Input Voltage: AC 100-240V, Total output power: 65W, Output Voltage: DC 19V, Output current: 3.42A (45W, 40W, 30W 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.