10.80V,4800mAh,Li-ion,Hi-quality Replacement Laptop Battery for HP COMPAQ Business Notebook 6720s, 6720s/CT, 6730s, 6730s/CT, 6735s, 6820s, 6830s, COMPAQ 510, 511, 610, Compatible Part Numbers: 451085-141, 451086-121, 451086-161, 451568-001, 456864-001, GJ655AA, HSTNN-IB51, HSTNN-IB52, HSTNN-XB51, HSTNN-XB52

This item fits following models: (1) HP COMPAQ: Hp Compaq Business Notebook 6720s, Hp Compaq Business Notebook 6720s/CT, Hp Compaq Business Notebook 6730s, Hp Compaq Business Notebook 6730s/CT, Hp Compaq Business Notebook 6735s, Hp Compaq Business Notebook 6820s, Hp Compaq Business Notebook 6830s. (2) COMPAQ: Compaq 510, Compaq 511, Compaq 610. Compatible Part Numbers: 451085-141, 451086-121, 451086-161, 451568-001, 456864-001, GJ655AA, HSTNN-IB51, HSTNN-IB52, HSTNN-XB51, HSTNN-XB52.