This Asus X555LD battery is compatible with the Asus C21N1347 battery part number .

We use the highest quality lithium-ion cells and battery components that run longer. charge faster, and weigh less than cheaper, lower quality batteries. Lower quality batteries are made with inferior cells and parts that can wear out in as little as 6 months.

Our batteries are built with Samsung battery cells and Texas Instruments components. Each battery is backed by a 2 year warranty and 30-day money-back guarantee. This Asus X555LD battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

You can expect up to 5 hours of life with this Asus X555LD battery when new, depending on your energy use.