Get up to 6 hours of battery life with this brand new Lenovo ThinkPad L420 and L420i battery. This battery is compatible with the Lenovo ThinkPad Edge 13", 14", and 15" laptops. Additional compatible models are listed below.

We use the highest quality lithium-ion cells and battery components that run longer. charge faster, and weigh less than cheaper, lower quality batteries. Lower quality batteries are made with inferior cells and parts that can wear out in as little as 6 months.

Our batteries are built with Samsung battery cells and Texas Instruments components. Each battery is backed by a 2 year warranty and 30-day money-back guarantee.

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 5 - 6 hours of run time with this ThinkPad L420 battery when new, depending on your energy use. If you would like even longer hours of run time please check out our extended run battery LEN-15XT.