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Sep 25, 2019
VANON "4500" Battery. Don't buy unless you think that the price is OK for 3000mAHr batteries
2 of 2 found this helpful This Vanon branded battery underperforms when compared to another similarly rated and, at one time, better priced Roomba replacement battery (Flagpower brand).
Completely charged with the Roomba charger, and then cycled twice to establish discharge times, the Vanon batteries did not produce the run time expected of a 4500mAHr battery. They ran the vac for an average of 50minutes in the same space where the superior battery ran 90 minutes.
These batteries weigh approx.1200gms where the superior battery weighs 33% more at 1500 gms.
They appear to be labelled incorrectly or worse