Dell Latitude D820 Laptop Battery

Cell Type: Li-ion, 6-Cells.

Battery Voltage: 11.1VBattery Capacity: 5200 mAh / 58 WhrNote: Laptop Battery 10.8V, 11.1V and 11.4V are in common use.You can expect about 2 hours to 4 hours of run time with this battery when new, depending on your energy use. It has all the same functions as the original battery, made from the highest quality cells, excellent quality and cheap price with the best service. Selected high-performance lithium-ion batteries from manufacturer. All batteries are tested for 100% quality control assurance. Choose this excellent battery for your laptop!