How to solve problem related to chargeable vacuum

This video is my personal opponent regarding Airbot hypersonic pro vacuum cleaner , which i have been using for more then a year and in this video i would be telling on how to solve a problem regarding the probelm i have faced (the vacuum cleaner was turning off it self in middle of cleaning after using for 1 year ) and if i have to rate this brand airbot vacuum cleaner out of 10. I would give 8/10.