Fit or All iRobot 5/6/7/8/9 Series models
Fit for 980 970 900 890 880 870 830 800 780 770 700 655 650 630 620 601 600 560 529 528 500
No memory effect, High energy density, High working voltage for single battery cells;
Money back guaranteed within 14 days from the date of purchased,12 month warranty for any quality issues