Super Power Supply&reg; AC / DC Laptop Adapter Charger Cord for Lenovo Essential 20149, 20150, 20156, 20157, 20172, 20173, 20188, 20189, 20204, 20237, 20273 80CG, 20276 80CJ ; IdeaPad 20016, 20017 Input: 110-220V Output: 20V 4.5A 90W Warranty: 1 Year Super Power Supply products are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply