Intocircuit AC Adapter/Battery Charger Power Supply Cord for Asus A53s A53u-eb11 A53z-nb61 A55a-ab51 K53e-bbr23 U47a-bgr4 U57a-bbl4 Power: 90W; Power Input: AC100-240V; Output: 19V 4.74A. Please ensure the DC output and connector size matches your original adapter before purchasing Protection: multiple-lever overload, over-voltage, and short circuit protection; Efficiency:high energy conversion rate to save energy and be environment friendly; Quality:minimum voltage ripple ensures steady power output - better feeds your device Warranty: 30 Days Money Back Guarantee / 1 Year - Free Exchange (Phone service is available during Mon-Fri 9AM - 6PM EST) Package includes: 1* Intocircuit power adapter; 1* AC power cord; 1* Intocircuit carring pouch