Charger lenovo 90w 20v ac adapter

Lenovo 90W 20V AC adapter featuring a round yellow connector pin. Power Output: The adapter provides 20V at 4.5A, totaling 90 watts. Connector: It utilizes a round pin with an outer diameter of approximately 8.0mm and an inner diameter of 5.5mm. Compatibility: This charger is commonly used for older Lenovo ThinkPad, IdeaPad, and Edge series laptops. Part Numbers: Compatible part numbers may include 92P1103, 92P1104, 92P1108, and PA-1900-081.