iRobot Roomba Series 500, 600, 700, 800, and R3 Battery
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
Replacement Accessory Part Kit with 3500mAh Ni-MH Replacement Battery - for iRobot Roomba 700 Series 720 750 760 765 770 772 772e 774 775 776 776p 780 782 782e 785 786 786p 790 | Walmart Canada
Cleaner Battery Replacement for GD-Roomba-500, VAC-500NMH-33, 11702 for - 4000mAh, 14.4V, Li-ion | 888402675
Roomba Battery. 30 € + VAT (iRobot compatible)
Amazon.com: for iRobot Roomba e e5 e6 e5150 e5152 e6198 and i i3 3150 i3+ 3550 i4 4150 i4+ 4552 i6 I7 i7158 i7+ 7150 7550 i8 Plus Replacement Lithium Ion Battery