FSP Universal Notebook Power Adapter 120W 19V - Includes 7 Inter-changeable Output Tips to fit 18 - 20V The FSP NB 120W Notebook Power Adapter produces over 88% high efficiency power output for laptops and provides safe output to suit the requirements for laptops to offer complete protection onto the devices. The Notebook Power Adapter comes with 7 inter-changeable output tips to fit with 18 - 20V input notebooks in several brands, including IBM, Dell, ACER, FUJITSU, SONY, HP, ASUS, LENOVO and many others. For more information on suitable tip for your notebook, you can refer to this link:- http://www.fsplifestyle.com/us/tipsFind.php