HP 451086R-421 | 6-Cell Lithium-ion (Li-Ion) 10.8V 4400mAh Primary Notebook Battery for 500 600 6520s 6720s 6730s 6820s 6830s Series Notebooks

Technical Specs:
- Battery type: Lithium-Ion (Li-Ion)
- Battery capacity: 4400mAh
- Voltage: 10.8V
- Number of cells: 6
- Compatibility: HP 500, 600, 6520s, 6720s, 6730s, 6820s, 6830s series notebooks

Helpful Notes:
- This battery has a higher capacity than the standard battery that comes with most HP laptops in this series, providing longer run time.
- Lithium-Ion batteries have a longer lifespan and hold their charge better than other types of batteries.
- Always ensure that the battery is compatible with your specific laptop model before purchasing.