Laptop Replacement Battery for select HP Laptops / Notebooks / Compatible with HP NC8230, Fit Models: HP 7400 Series, 8200 Series, 8400 Series, 9400 Series, NC8200, nc8430, nw8200, nw8240, nw8440, nw9440, nx7400, nx8200, nx8220, Part Numbers: 381374-001, 398876-001, HSTNN-DB06, HSTNN-DB11, HSTNN-LB11, HSTNN-OB06, HSTNN-UB11, PB992A ( 6 Cells, 4400 Mah ) - Includes Soft Nonporous Microfiber Cleaning Cloth