Get longer battery life and revive your laptop with a new 42T4928 battery for the Lenovo ThinkPad Edge e420s model.

We use the highest quality lithium-ion battery cells and components that charge faster and last longer than cheaper, lower quality batteries. Cheaper batteries can wear out in as little as 6 months. Our batteries last 3-5 years on average.

This 42T4928 battery is rated 14.8 volts and 50Wh and will typically last 5.5 hours on a full charge. You can get longer battery life by dimming your screen and closing unused programs. This Lenovo 42T4928 battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 1 Year warranty.

You can expect about 5 hours to 5-1/2 hours of run time with this Lenovo 42T4928 Battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our extended run battery for your Lenovo laptop.