This is a brand new Dell DF249 battery for select Dell Latitude models, including the Latitude D531 D820 D830 D840 and the Precision M65 series.

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 DF249 battery when new, depending on your energy use. If you are looking for even longer battery run times, check outour Dell-50XT.

This DF249 battery replaces Dell laptops: Latitude D531 D820 D830 D840 and the Precision M65 series.