About this item Specifications: Output: 19.5V 3.34A 65W (Compatible with 19.5V 2.31A 45W); Input: 100-240V 50-60Hz. This high-performance 65W laptop charger is designed for fast and efficient charging. Connector Size: Interior diameter: 7.4 mm; external diameter: 5.0 mm; compatible with 4.5*3.0mm round tip data cables. Compatible with various models of laptops, including Latitude Series and Inspiron Series among others. Dimensions: 4 x 0.7 x 2.5 inches.