How long can the Xiaomi Truclean W20 Wet Dry Vacuum be stored when fully charged? Will it run out of electricity after being left for a while?

The battery used in the vacuum is an imported high-capacity lithium battery, which is also equipped with the industry-leading BMS power management system. It has ultra-low standby power consumption and will not cause significant losses when stored for a long time. Please use it with confidence.
If not used for a long time, please charge it approximately every three months.