Techno Earth&reg; 90W Laptop AC Adapter / Charger for Compaq Presario CQ50-100CA CQ50-139WM Replacement Same quality standards of the original brand, perfect replacement for your original AC adapter. Power Input: AC100-240V - Output: 19V 4.74A 90W - Tip size : 5.0 mm x 7.4 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.