Super Power Supply AC / DC Laptop Adapter Charger Cord for HP EliteBook 810, 820, 840, 850 G1; 810 G2; HP 250, 255 G1; HP ProBook 430, 440, 450, 455, 645, 655 G1 65W Netbook Notebook Battery Plug Input: 110-220V Output: 18.5V 3.5A 65W Warranty: 1 Year Super Power Supply are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply