Lenovo 40W Computer Charger - Slim Travel AC Adapter (GX20H34904) Compatible with Yoga 900s, Yoga 700 14" with integrated graphics; Yoga 700 11"; ideapad 700s 14"; Miix 700 Lenovo AC adapters are compact, energy efficient and backed by a 1 year warranty. 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.