About this item Security UL Listed - This charger meets the standards for electrical safety, utilizing high-quality materials and incorporating multiple smart features to safeguard against over current, over voltage, overload, short-circuit protection, and auto recovery. Compatibility - Fits Asus Q501LA, Q501L, Q501, Q502, Q502L, Q502LA, Q502LA-BBI5T12, Q502LA-BSI5T14, Q502LA-BBI5T15 Laptops. Charger Input - 100-240V 50-60Hz Output: 19V 3.42A Watts: 65 Watts (Compatible with 19V 2.37A 45W). Dimensions: 3.54 x 3.15 x 1.57 inches.