Axiom LI-ION 9-Cell Battery for HP - QK643AA, QK643UT, 631243-001 - Lithium Ion (Li-Ion) - 1

Helps you keep your notebook ready to use anytime Proprietary Battery Size battery size for better reliance and optimal performance 9 cells for better reliance and maximum dependability More environment-friendly as compared to the disposable ones Lithium Ion (Li-Ion) battery chemistry to better suit your requirements with maximum productivity