About this item Power Specs: Input: AC 100-240V, 50-60Hz; Power: 65W; Output: 19V 3.42A; Connector: 3.0 mm*1.1mm Compatible with various models such as Aspire 3, Aspire 5, and Aspire Go, including specific versions like A315-24P, A515-54G, and AG15-31P series. Designed for a wide range of Acer laptops, ensuring reliable performance and compatibility. Built-in safety features include overload, over-voltage, and short circuit protection for enhanced safety during use. Energy-efficient design reduces environmental impact while delivering optimal performance for your laptop. Dimensions: 7.44 x 4.96 x 1.85 inches.