it be good at the beginning . it fairy clean well the floor , but I be not use it for a while , about 4 month or so and try to use it . then it stop work after 1minute . I think it may be because the battery be not charge fully , so I charge until it be full . same thing . it stop work after 1 minute or so . try to charge and use for a few time . same thing ... there be another review about the battery , so I guess I need to buy a different cleaner .