This is a brand new Fujitsu E780 battery.

Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. This laptop battery replacement is typically superior to the original battery and is 100% compatible with your Fujitsu LifeBook notebook computer. Each battery is factory 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 E780 battery when new, depending on your energy use.

This E780 battery also replaces the LifeBook E8310, E8410, E8420 series laptop batteries and a host more which are listed at the extreme bottom of this web page. Also replaces the Celsius H250 H700 laptop batteries.