Internal Reference:
NB-HAQK640AA
HP QK640AA - BB09 9 cell ultra extended life battery , support battery charging in docking station - for 6360b, 6460b, 6465B, 6470B, 6560b, 6565b, 6570B, 8460p, 8470p, 8470w, 8560p, 8560w, 8570p, 8570w, 8760w, 8770w
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