DaFABRICATA Flashlight Enthusiast Joined Jan 10, 2007 Messages 3,946 Location Michigan May 2, 2007 #1 I need to know for a potential project in the works.
Meduza Enlightened Joined Sep 28, 2005 Messages 421 Location Sweden May 2, 2007 #2 18650 stands for 18mm * 65mm, 0 means that it is a round cell.
greenLED Flashaholic Joined Mar 26, 2004 Messages 13,267 Location La Tiquicia May 2, 2007 #3 18mm (+-0.5mm), IIRC.
dano Flashlight Enthusiast Joined Aug 11, 2000 Messages 3,892 Location East Bay, Cali. May 2, 2007 #4 Answered. Posted in wrong forum. Closed...