90w Slim Ac/Dc Combo Adapter: The Thinkpad And Lenovo 90w Slim Ac/Dc Combo Adapter Supplies Power To Your Thinkpad And Lenovo 3000 Notebooks And Simultaneously Recharges The System Battery Whenever It Is Plugged Into A Standard Ac Wall Outlet Or The Dc Outlets Available In Airplanes And Automobiles. This Adapter Gives You The Flexibility To Use Your Thinkpad Or Lenovo 3000 Notebook Longer And In More Places. It Is Lenovo'S Thinnest Power Adapter Yet,so It Tucks Easily Into Your Carrying Case For Travel. Make This Adapter The Only One You Take On The Road! No Need To Carry A Bag Full Of Chargers When You Can Use The Ac/Dc Combo Adapter To Power Your Notebook, Cell Phone, And Pda. An Optional Dual Charging Cable Allows You To Attach The Adapter To Both Your Notebook And A