The ThinkPad 65W Ultraportable AC Power Adapter (40Y7704) offers:
Plugs into any available wall outlet to deliver AC power to your ThinkPad notebook while it recharges the system battery
Compatible with select ThinkPad and Lenovo systems and the ThinkPad Pad External Battery Charger (40Y7625)
AC type: Universal input, Worldwide agency support
AC input voltage: 100 to 240 AC, 50 to 60Hz
DC output voltage: 11.5V DC to 18V DC