This is a rechargeable Li-ion original battery with a battery rating of 11.4V and a battery capacity of 3420mAh (41.04Wh). It has 3 cells and comes in black color. The battery is compatible with various HP laptop models and comes with a one-year warranty. The replace part numbers include HSTNN-DB8R, HSTNN-DB8S, HSTNN-IB80, and more.