Battery 4400mAh for Hewlett Packard HP Compaq 6720t 6700 6720 6730 6720s 6730s 6735s 6735 6820 6730 6735 6820s 6735s 6830s 6830 610 615 550 HP Compaq 6720-s 6720-T 6730-s 6735-s 6820-s 6735-s 6830-s (Electronics )
Premium Accu. Fast load times. Runtime better than the original. Would I buy again immediately. The fit in the notebook is not different from the original. Very good !!!!