HP Battery 6 Cell 96WHr 4.21Ah (HP 808451-001) is a lithium-ion replacement battery for select HP laptops. Check that your laptop uses this specific spare part, since compatibility is limited to matching configurations.
Its 6-cell construction stores 96 Wh of energy and has a 4.21 Ah charge rating. These figures describe the battery’s capacity for powering a laptop away from a mains connection.
The battery model is AI06XL, printed on the battery itself; its full product designation is AI06096XL-PR. HP 808451-001 is the spare part number used to identify this replacement.