Lenovo 65W AC Wall Adapter (Mini Round Tip) - power adapter - 65 Watt - GX20L29355 - -
Amazon.com: 45W AC Charger Fit for Lenovo Ideapad 120S 120 120S-11IAP 120S-14IAP 81A40025US 81A5001UUS 81CW0000US 81CX0000US Model Laptop Power Supply Adapter Cord : Electronics