This is a brand new, premium grade replacement battery for Dell brand laptop computers. The superior South Korean 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 laptop battery replacement is typically superior to the original battery for Dell brand laptops and is 100% compatible. The battery is individually tested before shipment and backed by 30-day complete satisfaction guarantee, plus a 2 Year Warranty.

You can expect about 2 hours to 2-1/2 hours of run time with this computer battery when new, depending on your energy use.

This battery replaces these batteries for Dell Inspiron 2500 3700 3800 4000 8000 and replaces the battery for Dell Latitude C CP Cpi CPx series laptop batteries and additional machines which are listed at the extreme bottom of this web page.