This battery replaces the Asus C22-UX42 and UX42E 3 series laptop batteries
This brand new Asus C22-UX42 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.