[time-nuts] Portable standard
Poul-Henning Kamp
phk at phk.freebsd.dk
Wed Apr 6 11:04:17 UTC 2011
In message <1c9ce.62e32c26.3acda07c at aol.com>, EWKehren at aol.com writes:
>Today most electronic charge circuits use pulse mode [...]
Really ?
The only place I see "pulse mode" chargers for SLA batteries is in
the automobile snakeoil market, where d00des appearantly think it
will make their speakers louder...
For Li+ batteries in tiny gadgets, like mobiles, pulse mode charging
is used to reduce the size and heat from the charge regulator, but
it does nothing good for the battery.
A good temperature compensating switchmode charger is the way to go.
Poul-Henning
PS: Source of good papers about batteries in backup applications:
http://www.battcon.com/ArchivePapers.htm
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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