The Genuine Insignia 90W AC Adapter NS-PWLC591 E Power Supply is a reliable and universal power source for laptops and other electronic devices. With a voltage of 19V and an output current of 4.74 A, it provides the necessary power for efficient operation. The sleek black design adds a touch of style to the essential component, making it both practical and visually appealing. Compatible with various brands and models, this AC adapter is a versatile accessory for anyone in need of a dependable power supply.