after modification excellent ...

... There was to get through the battery slightly longer retention clips only by brute force, and 2 knives from the charger, I have it with the original compared and noticed that the retaining clips slightly more protruded and why the change caused heavy ... ,
taken venal and CA decreased 1 mm and filed the sharp ridge round and then enjoyed the superior suction power ...
have now approx 300m2 tiles and sucked the battery simply does not empty :-)
also a niedrigfloorigen carpet you can now suck without the motor of the swivel immediately steht- so all good.
the one star I have withdrawn because the fit was not perfect for my charger (original) and not every housewife ne file at hand has ... ;-)
Incidentally, since it is in the battery not to li-ion battery is the battery quiet and let become empty and then charge only and pay attention to the time to load! The fact is also 4 times longer than the standard battery and permanent partially discharged and teilnachladen leads Unlike other battery systems but also Notwithstanding any other information about capacity loss .... just like wochenlangens fry in charger !!!!