Archived posting to the Leica Users Group, 1998/09/09
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]This is a multi-part message in MIME format. - ------=_NextPart_000_0016_01BDDC1E.8026D4C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Greg- A friend of mine works at the Eveready plant in Asheboro, NC and gave = me some useful info- These batteries were developed and expanded during = the Vietnam War where high energy density was needed in a relatively = lightweight battery for field communication equipment. They no longer = have the tooling for these batteries, but periodically take some of the = first production off the shelf and test them. After twenty five years or = more, the output of the lithium batteries is more than 99% of the = original rated power. He says they put a ten year date on the batteries, = but they really don't know how long they'll last since the first onces = produced, and stored are still very functional! Carrying a couple of sets of batteries is not a bad idea in any case- I = carry several spare 1/3 Ns for the R8, and AAs for the MD, when I carry = it! It appears that lithium technology may take another advance once = they come up with popular sized lithium rechargeables- the same = advantages of regular lithium, and you can re-use them over and over!=20 Dan dwpost@msn.com - ------=_NextPart_000_0016_01BDDC1E.8026D4C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <HTML> <HEAD> <META content=3Dtext/html;charset=3Diso-8859-1 = http-equiv=3DContent-Type> <META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT color=3D#000000 size=3D2>Greg-</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT><FONT size=3D2>A friend of = mine works at=20 the Eveready plant in Asheboro, NC and gave me some useful = info- =20 These batteries were developed and expanded during the Vietnam War where = high=20 energy density was needed in a relatively lightweight battery for field=20 communication equipment. They no longer have the tooling for these = batteries,=20 but periodically take some of the first production off the shelf and = test them.=20 After twenty five years or more, the output of the lithium batteries is = more=20 than 99% of the original rated power. He says they put a ten year date = on the=20 batteries, but they really don't know how long they'll last since the = first=20 onces produced, and stored are still very functional!</FONT></DIV> <DIV><FONT size=3D2>Carrying a couple of sets of batteries is not a bad = idea in=20 any case- I carry several spare 1/3 Ns for the R8, and AAs for the MD, = when I=20 carry it! It appears that lithium technology may take another advance = once they=20 come up with popular sized lithium rechargeables- the same advantages of = regular=20 lithium, and you can re-use them over and over! </FONT></DIV> <DIV><FONT size=3D2>Dan</FONT></DIV> <DIV><FONT size=3D2></FONT><FONT color=3D#000000 size=3D2><A=20 href=3D"mailto:dwpost@msn.com">dwpost@msn.com</A></FONT></DIV></BODY></HT= ML> - ------=_NextPart_000_0016_01BDDC1E.8026D4C0--