HP/Compaq HP 550 Compaq 610 Business Notebook 6720s Business Notebook 6720s/CT Business Notebook 6730s Business Notebook 6730s/CT Business Notebook 6735s Business Notebook 6820s Business Notebook 6830s 4、 Compatible Part Numbers： HP/Compaq 451086-121,451085-141,451086-161,451568-001,456864-001,GJ655AA,HSTNN-IB51,HSTNN-IB52,HSTNN-IB62,HSTNN-XB51,HSTNN-XB52.
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