HP 550,COMPAQ 510, 511, 610,HP COMPAQ Business Notebook 6720s, 6720s/CT, 6730s, 6730s/CT, 6735s, 6820s, 6830s,Compatible Part Numbers:451085-141, 451086-121, 451086-161, 451568-001, 456864-001, GJ655AA, HSTNN-IB51, HSTNN-IB52, HSTNN-XB51, HSTNN-XB52,10.80V,Li-ion Laptop Battery - Premium Superb Choice 6-cell Li-ion battery

Products trademarked Superb Choice are registered and marketed by Superb Choice.
Replacement for HP 451085-141 451086-121 451086-161 451568-001 456864-001 GJ655AA HSTNN-IB51 HSTNN-IB52 HSTNN-IB62 HSTNN-XB51 HSTNN-XB52
Fit Machine Models: HP 550 COMPAQ 510 511 610 HP COMPAQ Business Notebook 6720s 6720s/CT 6730s 6730s/CT 6735s 6820s 6830s