Oneda 65W 19V 3.42A AC Power Adapter Laptop Charger for Acer Aspire AS1830 AS4743z AS4830t AS5250 AS5252 AS5336 AS5349 AS5532 AS5534 AS5551 AS552 AS5560 AS5733 AS5733z AS5740 AS5741 AS7560 Supply Cord 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.