Those square 9 volt batteries can be dangerous sometimes. If their leads touch metal and get shorted, they can start a fire and cause tremendous damage. That is exactly what happened to this lovely 3 bedroom Colorado house.
To prevent 9 volt batteries from causing fire damage, follow the tips in the following video, inspect your battery collection bin or drawer where you store them or recycle them and make sure you don’t run into trouble.
If you look at the flip side, you can start a fire with a 9 volt battery. This could be a life hack and save you in certain situations.