The Roomba s9 and its variants use a 3,300 mAH battery to sustain its powerful suction and alternative chassis and brushroll design. Actual charging time depends on how much charge is left in the battery, how old the battery is and sometimes the ambient temperature of the room. If a ...
Roomba volume can change alotbased on the type of floor it’s cleaning. If your Roomba switches from a carpet to a hardwood floor, it’s likely to get a lot louder — especially with thelatest Roomba modelsthat have the strongest suction motors. If you’re watching TV, for example, it ...