Battery Compatible with iRobot Roomba i7+ , i7+ , i7+ , 14.4 V, Li-Ion: Amazon.de: Home & Kitchen
Amazon.com: JYJZPB 3200mAh i7 Replacement Battery Fit for iRobot Roomba e and i Series, Spare Battery for iRobot Roomba i7 i7+ i7 Plus e5 7150 7550 e5150 e5152 4624864 ABL-D1 : Home