This is a brand new Dell Latitude D820 premium grade replacement battery. The superior Samsung cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries. In addition, 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 Latitude D820 battery is typically superior to the original Dell battery and is 100% compatible with your Dell Latitude D820 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 2-1/2 hours of run time with this Dell Latitude D820 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our extended run battery for your Dell Latitude D820 laptop (our Dell-50XT). The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to 20% more run time.

This battery replaces Dell Latitude D820 series laptop batteries.