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

Lithium Ion (Li-Ion) battery chemistry delivers energy to the notebook through an easily controlled reaction Offers a reasonable fit to your notebook Save your precious time by recharging the battery instead of running to the store each time you run out of batteries