Get longer battery life and improved performance for your Asus laptop with a new Asus X501 battery. This Asus battery replaces the Asus X501, X501A and X501U series laptops and several battery part numbers listed below.

We use the highest quality lithium-ion battery cells that charge faster, last longer and weigh less than cheaper, lower quality batteries. This X501 battery replacement is 100% compatible with the original Asus battery specifications and is individually tested and backed by a 2 Year warranty.

This battery is rated 4400 mAh and 11.1 volts. This battery is still compatible if your existing battery has a lower mAh or voltage rating. It just means this battery will last longer than the original. You can expect up to 3 hours with this laptop battery.

You can expect about 2 - 3 hours of run time with this Asus X501 battery when new, depending on your energy use.