This 90W AC adapter charger provides stable and reliable power for laptops. Specifications: Input 100-240V, Output 19V 4.74A 90W. Part Number: 709566-001. Built-in over-voltage, over-current, over-heat and short circuit protection for safe charging. Comes with a power cord, plug and play, no additional setup required. Durable construction and stable performance for home, office and travel use. Compatible with models requiring 19V 4.74A 90W and part number 709566-001.