I hope this battery can last me a few years. It's nice to see that my old Roomba 595 can go back into the charging cradle after two hours of cleaning (I haven't really timed it, but I know it's running for over two hours). Much better than other 3.5Ah and 3.8Ah replacement brands. I hope this Firstpower 5.0Ah will last more than 1.5 years but only time will tell. At the moment the battery works as advertised: fits perfectly, charges and lasts 1.5-3 hours. I'm open Thursdays and Sundays so there's at least a 70 hour gap between jobs so I can't speak to opening hours if you work daily.
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