ITEM NAME:7.9mm to 5.5mm (round to square) Adapter for Lenovo Thinkpad Laptop Power Cord 7.9mm to 5.5mm (round to square) Adapter for Lenovo Thinkpad Laptop Power Cord a.imagelink a:hover.imagelink {color:#000000;.Convertor Connector 1 pc. There is special IC inside for IBM Lenovo Thinkpad. 1 x 7.9mm 5.5mm Round Tip to New Lenovo Connecter. You can connect this adapter between old type round jack to latest laptop with square DC input port.
