Replacement HP 6720/6730 Laptop Battery

HSTNN-I39C, HSTNN-I40C, HSTNN-I48C-A, HSTNN-I48C-B, HSTNN-I49C, HSTNN-I50C-B, HSTNN-FB51, HSTNN-FB52, HSTNN-IB51, HSTNN-IB52, GJ655AA, 451085-141, 451086-121, 451086-161, 451568-001 HP 550 Series HP 6700 Series HP 6720, 6720s, Series HP 6730, 6730s, Series HP 6735, 6735s, Series HP 6820, 6820s, Series HP 6830, 6830s, Series