We assume that vacuum cleaners can explode spontaneously.
Very few catastrophic accidents due to vacuum cleaner explosions have occurred in the world recently.
We also assume that the mechanism or physics inherent in the explosion is similar to that of the Big Bang creating the universe.
The cornerstone is the transformation of vacuum potential energy into quantum matter and vice versa:
ρ(x,y,z,t)=Const * V(x,y,z,t) . . . . (1)
where V is the potential energy or electrical potential of the battery (nearly 120 volts).
However, Rule 1 is a probabilistic event that lasts from days to millions of years and leads to a concentration of energy (heat) at a small point.
This extremely high concentration (temperature) is the cause of the explosion.