T-Power for IRobot Roomba 400 500 660 670 700 760 770 780 790 880, 400, 500, 600, 700, 800 Series; 770 650 Pet 560 780 630 530 760 550 700 500 660 4210 540 415 4000 4150 4230 570 4100 510 405 535 532 Series full range of sweeping machinesSeries Roomba Robotic Vacuum Cleaner Ac Dc adapter