This is a brand new Fujitsu LifeBook E8420 battery. This Fujiotsu E8420 battery uses the highest quality cells and components and is 100% compatible with your Fujitsu LifeBook notebook computer. Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 year warranty.

You can expect about 2 hours to 3-1/2 hours of run time with this Fujitsu LifeBook E8420 battery when new, depending on your energy use. This battery replaces the original battery found in the LifeBook E8310, E8410, E8420 series laptops. It also replaces the Celsius H250 H700 laptop batteries.