Message View Articles Flashaholic* Join Date Jun 2007 Location Texas Posts 1,347 Re: Battery size history http://en.wikipedia.org/wiki/AA_battery - The AA battery type was standardized by ANSI in 1947 and is known internationally as LR6 (alkaline) or R6 (carbon-zinc) or Mignon. http://www.ideafinder.com/history/in...ns/battery.htm - 1898 National Carbon Company introduces the first D cell