This is a brand new Asus ZX50VW battery. This battery ships fully tested and ready to go. This Asus ZX50VW battery is rated 14. volts and 2600 mAh and will normally last 2-5 hours on a full charge. You can get even longer battery life by dimming your screen and closing unused programs and applications.

Inside the Asus GL552j AND ZX50 battery are South Korea's best Lithium-ion rechargeable battery cells. The superior battery cells will provide longer run times between charges as well as a longer service life than cheaper batteries.

Each battery is factory tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.