Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
Battery adaptable for iRobot Roomba Series 500 600 700 800 5340944
iRobot Roomba i7 Battery - Vacuum Batteries
14.4V NiCad 2200mAh Roomba 400 Series Rebuild Service – MTO Battery
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