-- Forwarded message --
From: Don Cooper
List-Post: texascavers@texascavers.com
Date: Sun, Aug 23, 2009 at 12:33 AM
Subject: Re: [Texascavers] battery related
To: Lyndon Tiu
Cc: David
And of course, please note - "Lithium" does NOT imply "Lithium-Ion".
Lit
Lithium Ion is probably the superior in terms of power to weight. Nickel
Metal hydride is cheaper, but quite superior to older batteries like NiCad
and Lead Acid. (Lead Acid though can support millions of charge/discharge
cycles - I don't think any other battery can compete in that parameter,
exc
This is probably old news, but I just found out about it.
Energizer's patent on lithium batteries expired a year ago. About
that time, there
was some post about a new Energizer lithium battery being marketed
with less juice and
a little cheaper. The going rumor is that Energizer did this t