About this item [Connector Size: 3.0 x 1.1mm] Output: 19V 3.42A 65W 3-prong; Input: 100-240V 2.5A 50-60 Hz; (Please check the connector and refer to the picture) [Compatible with multiple Acer Aspire models] This adapter works with various models including A314-22, A315-23, A315-35, and many others. [Compatible with Acer Aspire 5 Laptop] A515-45, A515-55-588C, A515-55-56VK, and several more models are supported. [Compatible with Acer Aspire 1 Laptop] It is suitable for models such as A115-31 and A115-32. [Compatible with 65W Acer Chromebook] Works with many Chromebook models, including CB3-532, CB3-431, and others. Dimensions: 7.24 x 4.49 x 1.97 inches.