Just crossed a web page <http://www.surefire.com/maxexp/main/co_disp/displ/pgrfnbr/273/sesent/ 00> peddling lithium batteries at $15 for a box of 12 ($90 for a box of 72). That's $1.25 apiece, which seems pretty good. I know nothing at all about "Surefire". best wishes, dave belsley, w1euy