This brand new Lenovo IdeaPad Y471M 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 3 hours of run time with this IdeaPad Y471m battery when new, depending on your energy use.