Replacing the battery or powering RoboVac X8/X8 Hybrid on or off will not cause the map to be lost or the cleaning history to be erased.However, the cleaning map may be lost under these circumstances:- Manually recharging RoboVac X8/X8 Hybrid during its cleaning process.- Manually moving RoboVac X8/X8 Hybrid during its cleaning process.- When RoboVac X8/X8 Hybrid gets stuck for a long period of time and is unable to continue its cleaning process.- Manually resetting the map.- Manually deleting the map.