Revive your laptop with a new Lenovo ThinkPad Edge E420 battery.

This battery is compatible with the ThinkPad Edge E420 and many other Lenovo ThinkPad models. Compatible battery part numbers are listed below.

This ThinkPad Edge E420 battery is rated 4000 mAh and 10.8 Volts. It will generally last 3-6 hours on a single charge. You can get even longer battery life by dimming the screen and closing unused programs.

This ThinkPad Edge E420 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

You can get up to 6 hours of run time with this computer 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.