New Original Asus Zenbook UX21E UX31E UX31K UX32 Ac Power Supply Adapter 45W Charger Power: 45 watts Input: 100-240V ~ 1.2A 50-60Hz Output: 19V - 2.37A Compatible Model: Asus Zenbook UX21E, UX31E Note: This power supply can not fit UX21A and UX31A