Old hat to those of us who remember B batteries or photoflash batteries. Try that with a couple of dozen old car batteries! Now *that* will give you a nice arc!! On 11/28/2011 7:44 PM, Joe Leikhim wrote: > Fun with 9 volt batteries! 8.4 x 52 =437 volts. Save those old batteries! > > http://yourepeat.com/watch/?v=I2fD-hYVLxE >