Get longer battery life with a new Lenovo L12S4Z51 battery. This Lenovo L12S4Z51 battery features the highest quality lithium-ion cells and components.

This Lenovo L12S4Z51 battery is compatible with a wide variety of IdeaPad models including the IdeaPad B490s, IdeaPad K2450, IdeaPad M490S, IdeaPad B4400, and IdeaPad B4400S. Additional compatible models are listed below.

This Lenovo L12S4Z51 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

This 3-cell lithium-polymer Lenovo L12S4Z51 battery is rated 14.8 volts and 32 Whr and will normally last 7 hours on a full charge.

You can expect about 6 hours of run time with this Lenovo L12S4Z51 battery when new, depending on your energy use.