This is a brand new Dell MM165 battery for select Latitude models. This MM165 battery replaces Dell laptops: Latitude D531 D820 D830 D840 and the Precision M65 series.

This Dell MM165 battery is typically superior to the original Dell laptop battery and is 100% compatible with your Del laptop. 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 MM165 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our Dell-50XT.