This brand new Asus X43 X43B X43E X43S X43T X43U battery features the highest quality lithium-ion cells

Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This X43 battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

You can expect about 3-4 hours of run time with this Asus X43 battery when new, depending on your energy use.

This battery replaces all ASUS X43 series laptop batteries with a full list at the bottom of the page.