About this item Power Specs: Output Max - 45W, 19.5V-2.31A, Input Range 100 - 240V, DC Connector: 4.5 x 3.0mm, Charger Laptop AC Adapter Power Cord Replacement. DC Connector: Internal Diameter: 3.0mm, External Diameter: 4.5mm; NOTE: please ensure the tip of original chargers matches the picture shown before purchasing. Compatible with Inspiron 15 series 3000, 5000, 7000 and others, as well as Inspiron 13 series and XPS models. This adapter does not fit certain specific models. Strict Safety Standards: products comply with safety certifications. Guidelines for compatibility and environmental safety standards are strictly followed. Our products feature numerous safety mechanisms, including protection against short-circuiting, overvoltage, overcurrent, and internal overheating. Size: 8.46 x 5.35 x 1.77 inches.