V-markable 90W Automatic Universal Laptop AC Adapter/Notebook Adapter work for IBM Lenovo Sony HP Toshiba Dell Acer Gateway Asus Samsung Laptops or any Device V-markable 90W Automatic Universal Laptop AC Adapter can use for much brand laptop.Such as IBM,Lenovo,Sony,Fujitsu,Compaq,HP,Acer,Delta,Gateway,Dell,Asus. Power:90W; Input:100V-240V~50/60Hz; Output: 19V 19.5V 20V; Connector Number: 19V - M5 M6 M7 M11 M15 M20, 19.5V - M8 M9 M10 M28, 20V - M25 Package: one universal laptop ac adapter + one three prong power cable + 11 connectors.Total weight: about 460g Each universal laptop ac adapter will be test more than 3 times in the production process.Bulit in over-current protection and overvoltage protection. HOW TO USE:first,please confirm the power is large enough for your laptop or your device.Then choose the correct connector.Make sure the output voltage is high enough and the size of the connector is suitable.