From: Jan Knutar <jk-lkml@sci.fi>
To: Christian Trefzer <ctrefzer@gmx.de>
Cc: Pau Garcia i Quiles <pgquiles@elpauer.org>, linux-kernel@vger.kernel.org
Subject: Re: [IDEA] Poor man's UPS
Date: Mon, 22 May 2006 16:04:14 +0300 [thread overview]
Message-ID: <200605221604.16043.jk-lkml@sci.fi> (raw)
In-Reply-To: <20060521224012.GB30855@hermes.uziel.local>
On Monday 22 May 2006 01:40, Christian Trefzer wrote:
>
> I think it would be cheaper ("costs" for your solutin in terms of
> required I/O power and hard disk space) to use two or more lead
> batteries which are charged and discharged in a round-robin fashion,
> controlled by some smart home-brew circuitry, and connect the beast to
> some control/monitoring software via RS-232 ; )
>
> The logic should at least completely drain the battery before
> recharging,
I thought deep discharge cycles were unhealthy for lead batteries?
next prev parent reply other threads:[~2006-05-22 13:04 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-21 19:31 Pau Garcia i Quiles
2006-05-21 19:38 ` Dave Jones
2006-05-21 19:46 ` Michael Buesch
2006-05-22 8:19 ` Avi Kivity
2006-05-22 10:54 ` Jan Engelhardt
2006-05-21 22:40 ` Christian Trefzer
2006-05-22 13:04 ` Jan Knutar [this message]
2006-05-22 13:29 ` linux-os (Dick Johnson)
2006-05-22 15:25 ` Christian Trefzer
2006-05-22 15:54 ` linux-os (Dick Johnson)
2006-05-22 19:34 ` Christian Trefzer
2006-05-22 15:13 ` Christian Trefzer
2006-05-22 15:40 ` Alan Cox
2006-05-22 15:48 ` Christian Trefzer
2006-05-22 16:15 ` Matthias Schniedermeyer
2006-05-22 19:40 ` Christian Trefzer
2006-05-22 19:45 ` Avi Kivity
2006-05-23 2:02 ` Martin J. Bligh
2006-05-22 19:46 ` Nuri Jawad
2006-05-22 22:40 ` Christian Trefzer
2006-05-22 17:05 ` Jeff V. Merkey
2006-05-21 23:02 ` Neil Brown
2006-05-22 0:08 ` Chris Wedgwood
2006-05-22 0:23 ` Neil Brown
2006-05-22 1:29 ` Björn Steinbrink
2006-05-22 1:44 ` Neil Brown
2006-05-22 9:29 ` Pavel Machek
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