How do tazers work? If it was AC, then it would be easy as a step up transformer. It uses a 9V battery, however, so I have no idea. You can't have a transformer with DC, right?

its most likely a DC-AC converter and then step-up or a pizeo swtich and a transformer ( You can have a transformer with DC IIRC)

its most likely a DC-AC converter

The only think I know of that does that is a commutator inverter....perhaps some sort of solid state equivalent?

 

( You can have a transformer with DC IIRC)

Um, no. You have to have AC for a transformer. DC makes constant polarity magnetic fields.

If you go here, read, and hit "Next" at the end of each page, you'll have viewed nine pages on how stun guns work:

 

http://home.howstuffworks.com/stun-gun.htm

 

 

http://home.howstuffworks.com/stun-gun3.htm