Techno Earth&reg; Power Supply Adapter for HP/Compaq 381090-001 Laptop Same quality standards of the original brand, perfect replacement for your original AC adapter. Power Input: AC100-240V - Output: 18.5V 3.5A 65W - Tip size : 1.7 mm x 4.8 mm Smart device surge protection for over voltage, temperature and short-circuit protection. Techno Earth is a trademark of Technoline. Buy from Techno Earth to ensure quality products! Package Includes: One Laptop Ac Adapter and Power Cord for Listed Models.