The Dell Laptop Charger with a 19.5V output, 2.31A current, and a 4.5 x 3.0mm connector is a lightweight and efficient power adapter designed for Dell laptops. With its specific connector size, this charger serves as an ideal replacement or spare for Dell laptops requiring a 19.5V power supply. Providing 45 watts of power, it offers reliable charging for your laptop, ensuring it stays powered for your computing needs. Whether you need a backup charger for travel or a replacement for your original, the Dell Laptop Charger with a 4.5 x 3.0mm connector provides a compact and dependable solution for keeping your Dell laptop charged.