Get longer battery life and improved laptop performance with a new Asus B31Bi9H battery. This Asus B31Bi9H battery is compatible with the VivoBook 15 and VivoBook S15 models. Additional compatible models are listed below.

We use the highest quality lithium-ion batteries that charge faster, last longer and weigh less than cheaper, lower quality batteries. Lower quality batteries can wear out in as little as six months. Our batteries can last up to 5 years if properly cared for.

This Asus B31Bi9H battery pack is 100% compatible with the original Asus battery specifications and is individually tested and backed by a 1 Year warranty.