The indoor model flying scene is starting to used these - one supplier I have seen: http://www.smallrc.com/dwehtml/iemicro.cfm > Anybody knows where to get Lithium (rechargeable) (Li-ion) cells? -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body