This is a Brand New Lithium Ion Battery for HP. Compatible Compaq Models: Evo Series: N100, N800, N1000, Presario: 900, 1500, 2800, V1000, V1100, Compaq Hewlett Packard Business NoteBook: NC6000, NC8000, NW8000, NX5000. Replaces part #s: 337657-001...