11.25V 2200mAh A31N1519 Laptop battery for ASUS X540 X540LA X540LJ X540SA X540SC X540YA X540S series 

laptop battery for ASUS X540 from Well Tech Battery directly, the 15 years’ experience lithium-lion battery China factory.

We use the highest quality lithium-polymer/lithium-ion(18650) battery cells and components that charge faster and last longer than cheaper, lower quality batteries. Li-polymer cells give you longer run times with less weight. And higher quality cells mean a faster charge, longer run time and longer life. Cheap batteries can wear out in just a few months.

Well Tech's x540l laptop battery is made of Grade A+ lithium-polymer and imported TI chip, ensure battery in high performance and support longer back up time. ASUS laptop battery A31N1519 is our strength products.

Model: AS X540-3C

Voltage: 11.25 Volts

Battery Capacity: 2200mAh

Battery Type: Li-ion 

Color:Black

Useful Life: 300-500 recharges

Certifications: CE, RoHS, FCC, MSDS, UN38.3

Replace part numbers:

A31N1519

Compatible laptop models: 

Asus X540 Series X540LA Series X540LJ Series X540SA Series X540SC Series X540YA Series X540S Series