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Go to iRobot.com so you can be sure to find the battery for your Roomba
Sorry, there was a problem. Please try again later.Not 100 percent sure. I am only familiar with this battery working in my Roomba 550. I would say look at your current battery and see if it looks like this one. I would also look at IRobots website and see if they list your 527 as one that would work with this battery. I thought I remember it saying that this battery works with any Roomba in the 500 series in which yours is.
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