"dave" wrote in message
news:KBsOd.106215$Jk5.93313@lakeread01...
Jerry G. wrote:
Take a look inside, and see!

I would, but first I'd have to travel and hour and a half ONE way just
to find out - still hope someone here might know what's inside 'em
"generally"....before I make a long trip...

do you know, jerry?

thanks,

box :-\

Aside from the batteries, usually a MASSIVE 60Hz transformer, a bunch of big
MOSFETs or bipolar power transistors, and some assorted logic.