HP Laptop Batteries. HP Li-Ion 6-Cell Primary Battery for Compaq NC4000 Notebooks, HP Compaq nc4000 Battery with Travel Pack - Laptop Battery Lithium Ion
HP MultiBay SBS Lithium Ion Battery
Insert into Multibay slot for additional battery life
HP 8-Cell Lithium Ion Primary Battery for Compaq NX9000 Series Laptops
HP 8-Cell Li-Ion Battery - 4.4AHR - NX9010