Security UL Listed - Nicpower chargers has meeting the standards for electrical safety: with the highest quality materials and include multiple smart features safeguarding against over current,over voltage,over load,short-circuit protection and auto recovery Compatibility - Fit for Asus Q553U Q553UB Q553 Q326FA Q326F Q326 Q553UB-BSI7T13 Laptop Charger Input - 100-240V 50-60Hz Output: 19V 3.42A Watts: 65 Watts (Compatible with 19V 2.37A 45W) Portability - The 90 degrees folding pins make for packing easier which is the perfect traveling companion Service and Support: 30 Days No-hassle Return Policy / Manufacturer 12 Months Warranty