This is a brand new Asus VivoBook X556UV battery. This Asus X556UV battery uses the 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.
This VivoBook X556UV battery is 100% compatible with your Asus VivoBook and each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.
You can expect about 4 - 5 hours of run time with this Asus VivoBook X556UV battery pack when new, depending on your energy use.
