Product Details  laptop ac adapter, laptop adapter, notebook charger,notebook adaptor, laptop power adaptor for IBM, 1 year warranty  16V 7.5A laptop ac adapter, laptop adapter , notebook adapter, AC power adapter, notebook charger, notebook adaptor, laptop power adaptor for IBM, 4 Pin with round headInput: AC100-240V (worldwide use),50/60Hz Output: DC 19V 6.32A Power: 120W Output connecter size: 4 Pin with round head Outlet: 3-prong/2-prong AC power cord: US/EU/UK/AU cord Over voltage /Over current / Short circuit protection Power on LED indicator Full one year warranty! Suitable for IBM laptops.  Shenzhen Pengchu Industrial Co.,ltd spealiaze in laptop batteries, laptop adaptor, universal laptop adapters, external universal laptop battery, power inverter, digital cameras/video batteries and chargers. We can supply adaptor for Dell, IBM, Sony, Toshiba, HP, Asus, Acer, Fujitsu, COMPAQ, Apple, NEC and others.If you have any interest in them, please feel free to contact us !