A good source of info. is the Yuasa or exide websites there are plenty of
pdf's and graphs/charts to thrill you on a winters evening.or you could look
on the alt science lists for a million ways to burn down your house 'for
only $5'...
----- Original Message -----
From: "Russell McMahon" <apptech@paradise.net.nz>
To: "PIC List" <PICLIST@mit.edu>
Sent: Wednesday, November 16, 2005 10:30 AM
Subject: [EE] Lead Acid batteries - charging, desulphation,
characteristics,...


> A miscellany of useful links relating to many aspects of lead Acid
> batteries.
> I have vetted these so most are there because they appeared to
> (probably) have some potential value.
>
> Below:
>
>     LAB = Lead Acid Battery.
>     SLA = Sealed Lead Acid (battery)
>
>         I may use these terms somewhat interchangeably
>         (even though they aren't strictly equivalent).
>
> ____________________
>
> Excellent comment on charging small SLAs
>
>         http://www.batteryuniversity.com/partone-13.htm
>
> Wikipedia
> General
>
>         http://en.wikipedia.org/wiki/Lead-acid_battery
>
> "Battery university"
> Good stuff on many battery types
> Good enough to be worth at least skim reading the entire technical
> content.
> Lots of inobvious material - eg why NiCd may be superior to NimH in
> some applications with suitable care - and what the requisite care is.
>
>     http://www.batteryuniversity.com/index.htm
>
>     Charging the LAB
>
>         http://www.batteryuniversity.com/partone-13.htm
>
>
>
> ______________
>
> Some technical details on LA batteries
> Good
>
>         http://www.shaka.com/~kalepa/technotes.htm
>
>     Excellent power sonic LAB manual referred to on his page.
>     His link is broken.
>     Excellent data source - well worth looking at.
>
>         http://www.power-sonic.com/techman.pdf
>
> - - - - - -
> DESULPHATION:
>
> LAB desulphation pulse generator
> There is much myth and hype in the battery desulphation area BUT this
> does sound worthwhile.
> There is good technical reason to think that some methods will work
> (and good reason to think that many don't).
>
> There is a bit more to the following than just "pulse it and it
> works".
> They look (in some cases) for a resonant frequency (which *may* be a
> meaningful thing to do) and say they can detect progress by watching
> peak voltage.
> Bears looking at.
>
>         http://www.shaka.com/~kalepa/desulf.htm
>
>         Related patent
>         (Having a patent doesn't make it work - or not)
>
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1
&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=3963976.WKU.&OS=PN/3963976&RS=PN/39
63976
>
>
> Low power Desulphator
> Worth looking at
>
>         http://www.shaka.com/~kalepa/lowpower.htm
>
>
>     555 based CCTs
>             http://www.shaka.com/~kalepa/n_channel_schem.gif
>             http://www.shaka.com/~kalepa/556alternate.gif
>            http://www.shaka.com/~kalepa/trevorandrews.gif
>
>     1 transistor
>         http://www.shaka.com/~kalepa/trevorandrews2.gif
>
>     King Kong 200A pulse version
>     Offline, no isolation, fatal, death, yada yada
>
>         http://www.shaka.com/~kalepa/highpower.htm
> ___________________________
>
> YALABC
>
>         http://www.uoguelph.ca/~antoon/gadgets/labc2.htm
>
>
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