(Widely compatible: for iRobot Roomba i7 i7+ 7150 7550 i3 i3+ 3150 3550 i4 i4+ 4150 i7158 i7550 i755020 i7558 e5 e5150 e5150. 20 e5 e152 e5154 e5158 e515840 e6 e6198 e619820, etc). Model Number: I7. Capacity: 4.0 Ah/ 40 00mAh.
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