Original HP HSTNN-DB06 laptop battery is made from the highest quality cells and parts. This battery provides reliable, high performance you require for your HP laptop. The LHP-77OEM is precision-engineered and designed for use in the HP Business NoteBook NC8230, NX8220, NX9420, NW8240 series of HP notebooks. • Chemistry: Li-Ion • Rating: 14.8Volts 4880mAh • Full 1 year warranty