The first charging time of the vacuum cleaner is basically about two hours to full the TG battery, and do not overcharge when you get the power, so as not to damage the battery.
The battery of a general vacuum cleaner is generally about two hours, it can certainly be unlocked, the battery is full of electricity, we do not let the equipment is too heavy, causing battery damage.
Just play swimming.
It is recommended that the vacuum cleaner be charged for 4 hours for the first time, which can fully activate the lithium battery.