【 Widely Compatible 】 for iRobot Roomba i7 i7+ 7150 7550 i3 i3+ 3150 3550 i4 i4+ 4150 i7158 i7550 i755020 i7558 e5 e5150 e515020 e5152 e5154 e5158 e515840 e6 e6198 e619820, etc. 【 Upgraded 3200mAh Capacity 】 : The original i7 battery has a capacity of 1800mAh.
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