Oneda 90W 20V 4.5A AC/DC Power Adapter Laptop Charger for Thinkpad T60 T60P T61 T61P T400 T400i T410 T410i IT410s T420 T420s T420i T420si T430 T430s T430i T500 T510 T520 T520i T530 T530i Supply Cord Input Voltage: AC 100-240V, Total output power: 90W, Output Voltage: DC 20V, Output current: 4.5A (45W, 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.