This new Asus X556UA battery uses the highest quality 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 Asus X556UA battery is typically superior to the original battery and is 100% compatible with your Asus Vivo Book. Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.