On Mon, 14 Mar 2011 05:39 -0400, "Jonathan Hallameyer" wrote: > Speaking of bursty... Lithium primary cells aren't anywhere near as > bursty, leakage wise, than alkaline. Which may be another reason to > use them in something you're going to let sit for a while. And they operate at lower temperatures - Alkaline batteries don't work very much below freezing. If you want really super low temperature performance you can use lithium thionyl batteries, a bit pricey but good for military applications where you just need it to work. But even standard off-the-shelf lithium cells have great low temperature performance. Cheerful regards, Bob --=20 http://www.fastmail.fm - A no graphics, no pop-ups email service --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .