Lenovo 65W 20V 3.25A Slim Tip PA-1650-72 Ideapad G50-30 G50-45 G50-70M Thinkpad Z41 Z70-80 Laptop Charger AC Adapter Compatible with Flex 3 14" and 15" with discrete graphics; ideapad 500s 13", 14", and 15" with discrete graphics; ideapad 320s 14"; ideapad 14" with discrete graphics Performs to the same specifications as the standard 65W AC adapter that ships with the notebooks. Keep one in the office, one at home, and another in your carrying case for convenient access to power. Slim-tip design connects securely to your Lenovo notebook. Backed by Lenovos 1 year limited warranty