On Oct 7, 2010, at 7:45 AM, Sean Breheny wrote: > Zinc manganese dioxide (aka Alkaline batteries) are about 1.5V and > Nickel Metal Hydride are about 1.2V. There's a new "Nickle/Zinc" technology that is nominally 1.6V/cell. Supposed to be wonderful. Not too widespread yet; I want Sanyo to =20 make one before I'll buy it :-) http://www.candlepowerforums.com/vb/showthread.php?t=3D274332http://www.can= dlepowerforums.com/vb/showthread.php=20 ?t=3D274332 BillW --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .