Actual performance depends on how dirty your floors are, how muchcarpetyou have (Roombas work harder on carpet, using up more battery power), if the rollers or airflow get obstructed and if the Roomba faces a lot of obstacles. If a Roomba isn’t reaching the minimum runtime listed above...
I didn’t mean to go off on a tangent… but, since this is one of my breaks from those pesky house chores, I am guessing that is why I am meandering. And, now that it takes me twice the time to clean the house, I admit I only do a major house cleaning every two weeks… whic...