This brand new Lenovo 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.

Like all Li-ion primary batteries, your run time will decline over time.

This battery replaces the Lenovo Y200 series laptop batteries and a host more which are listed at the extreme bottom of this web page. Also replaces the Packard Bell EasyNote A7145, A7178, A7720, A8202, A8550, NEC Versa S940 and BenQ S31V, S32, S32B, S32EB, S52, S53 series laptop batteries.