Amazon.com: 5200mAh Battery Replacement for IR RA i8 RA i7550 RA e5 RA i8+ RA e6198 7150 RA 7550 RA e5152 RA i7158 RA e515020 RA i4 RA 5150 RA e5154 RA
ORIGINAL Li-ion Battery 1800mAh ABL-D1 for iRobot Roomba e & i Series e5 e6 i7 5060359287878 | eBay