Check out http://www.duracell.com/oem/default.asp for battery charts. Follow the link to whatever battery you use. Most other manufacturers are in the same ballpark. >From: Mike Hord >Reply-To: pic microcontroller discussion list >To: PICLIST@MITVMA.MIT.EDU >Subject: [EE:] Battery life estimation >Date: Thu, 13 May 2004 15:22:44 -0500 > >I'm wondering if anyone has a source for a program which, >given a type of cell and a current load, can provide an >estimate of runtime down to a certain voltage. > >For example: if I have a circuit which will consume 450 uA >until the input voltage drops to 2.7V, how long can that sit >until it reaches 2.7V (assuming two 1.5V AA alkaline cells)? > >Failing that, does anyone know where I can find equations >to solve? > >Mike H. > >_________________________________________________________________ >Best Restaurant Giveaway Ever! Vote for your favorites for a chance to win >$1 million! http://local.msn.com/special/giveaway.asp > >-- >http://www.piclist.com hint: The PICList is archived three different >ways. See http://www.piclist.com/#archives for details. _________________________________________________________________ Getting married? Find tips, tools and the latest trends at MSN Life Events. http://lifeevents.msn.com/category.aspx?cid=married -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.