Genuine 20V 4.5A 90W AC Adapter Lenovo adp-90dd b PA-1900-56LC New Go to amazon.com Related posts Top 10 best 20v 4.5a adapter for 2022 FeatureInput: 100-240VOutput: 90w 20v 4.5a1 Year Warranty DescriptionGenuine 20V 4.5A 90W AC Adapter Lenovo adp-90dd b PA-1900-56LC New