Get longer battery life and improved laptop performance with a new 42T4787 battery.
The Lenovo 42T4787 battery replaces the original battery found in ThinkPad Edge E10, X100e and X120e models. Additional compatible models and part numbers are listed below. Don't see yours? Go to our Lenovo ThinkPad battery page for the complete catalog.
We use the highest quality lithium-ion battery cells and components that charge faster, last longer and weigh less than cheaper, lower quality batteries. Low quality batteries can wear out in as little as six months. Our batteries on average last 3-5 years.
This 42T4787 battery is 100% compatible with the original ThinkPad battery specifications and is individually tested, inspected and backed by a 2 Year warranty.