Amazon.com: Synergy Digital Vacuum Cleaner Battery, Works with iRobot Roomba 531 Vacuum Cleaner, (Ni-MH, 14.4, 2800mAh) Ultra High Capacity Battery : Home & Kitchen
iRobot Roomba 500, 510, 530, 560, 570, 580 Battery Replacement - HHD10001 at Batteries Plus
Roomba 531 Battery
Replacement Irobot Battery 14.4v 4400mah Lithium Battery Compatible With Irobot Roomba 500 600 700 800 900 Series - Buy Irobot Roomba Battery,Roomba Replacement Batteries,Lithium Battery Product on Alibaba.com
iRobot Roomba 531 Battery - Vacuum Batteries
Amazon.com: TREE.NB Long Life Battery for iRobot Roomba R3 500 600 700 800 900 Series 500 510 531 535 540 550 552 560 570 580 595 610 620 650 660 700 760 770 780 790 800 870 880 900 : Home & Kitchen