Lenovo AC adapter

Lenovo AC adapter has got 40W, 50W, 70W, 90W, 30W versions for your selection. Most Gateway ac adapter's connector tip size is 5.5mm * 2.5mm and ranged from 19V to 19.5V in output power. Terminal users can safely upgrade your laptop AC adapter from 65W to 90W as 90W Gateway laptop AC adapter can charge your battery much faster than your 65W ones thanks to the higher running electric current. And users need to learn about the nominal output voltage before making decisions. Lenovo AC adapter can be used for IBM laptop also and you can check the compatible laptop models to see the actual performance.