This is a brand new Dell 312-0444 battery for the Latitude D420 and D430. This 312-0444 battery is rated 11.1 volts and 3600 mAh and will normally last 2-3 hours on a full charge.

This 312-0444 battery is typically superior to the original Dell battery and is 100% compatible with your Dell Latitude. 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 2-1/2 hours of run time with this Dell 312-0444 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our DELL Long Run Latitude D420 battery.