If your zapper is not tingling it is because you
are no longer acidic. This is a positive thing.
I do not get tingling either but I still use the
zapper as often as I remember and certainly if I
am just hanging out watching a movie. If you have
paint on one of the conduction pennies, you may
want to clean that. I use Never-Dull and then
wash that stuff off real well. Toothpaste will
If you have a Terminator, you change the batteries
when the green light stops blinking.