This brand new Asus replacement laptop battery features 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 laptop 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 2 hours to 2-1/2 hours of run time with this computer battery when new, depending on your energy use.

This battery replaces the the Asus A8 F8 F50 F80 F81 F83 N80 N81 X61 X80 X81 X82 X83 X85 X88 Z99 series laptop batteries.