This is a brand new Asus C42N1728 battery. This battery is compatible with the Zenbook Pro 15 UX580 series models. The complete list of compatible Zenbook Pro models is listed below.
This C42N1728 battery is rated 15.4 volts and 4480 mAh and will normally last 5 hours on a full charge. You can get longer battery life by dimming your screen and closing unused programs and applications.
Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.
You can expect about 5 hours of run time with this Asus c42N1728 Battery when new, depending on your energy use.
