From: Pavel Machek <pavel@ucw.cz>
To: Bill Davidsen <davidsen@tmr.com>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
Shem Multinymous <multinymous@gmail.com>,
David Zeuthen <davidz@redhat.com>,
Richard Hughes <hughsient@gmail.com>,
David Woodhouse <dwmw2@infradead.org>,
Dan Williams <dcbw@redhat.com>,
linux-kernel@vger.kernel.org, devel@laptop.org,
sfr@canb.auug.org.au, len.brown@intel.com,
benh@kernel.crashing.org,
linux-thinkpad mailing list <linux-thinkpad@linux-thinkpad.org>,
Jean Delvare <khali@linux-fr.org>
Subject: Re: [ltp] Re: [PATCH v2] Re: Battery class driver.
Date: Thu, 2 Nov 2006 21:20:32 +0000 [thread overview]
Message-ID: <20061102212032.GC4887@ucw.cz> (raw)
In-Reply-To: <454A2FC2.4060107@tmr.com>
Hi!
> >Well, "Wh" measures energy and not power, and "Ah"
> >measures electric charge
> >and not current, so it would be better to make that:
> >
> >capacity_*_energy (Wh-based)
> >
> >and
> >
> >capacity_*_charge (Ah-based)
> >
> >Also, should we go with mWh/mAh, or with even smaller
> >units because of the
> >tiny battery-driven devices of tomorrow?
> >
> Having seen a French consultant with a Windows laptop
> reporting mJ (Joules) I bet that came from the hardware.
> And given that laptop batteries run at (almost) constant
> voltage, could all of these just be converted to mWh for
> consistency?
li-ions run from 4.2V down to 3.6V without problems, and you can use
them down to 3.0V. I've ran zaurus down to 3.3V, IIRC. That's quite a
big range.
--
Thanks for all the (sleeping) penguins.
next prev parent reply other threads:[~2006-11-02 21:22 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1161628327.19446.391.camel@pmac.infradead.org>
2006-10-23 19:18 ` Battery class driver Dan Williams
2006-10-23 19:58 ` Richard Hughes
2006-10-23 20:10 ` Roland Dreier
2006-10-23 20:48 ` David Woodhouse
2006-10-24 3:44 ` Benjamin Herrenschmidt
2006-10-24 17:18 ` Richard Hughes
2006-10-25 7:42 ` [PATCH v2] " David Woodhouse
2006-10-25 9:54 ` Shem Multinymous
2006-10-25 12:11 ` David Woodhouse
2006-10-25 14:42 ` Shem Multinymous
2006-10-25 22:25 ` David Woodhouse
2006-10-25 23:39 ` Shem Multinymous
2006-10-28 12:15 ` David Woodhouse
2006-10-28 13:22 ` Richard Hughes
2006-10-28 14:34 ` Shem Multinymous
2006-10-28 14:36 ` David Woodhouse
2006-10-28 14:55 ` David Zeuthen
2006-10-28 18:52 ` Pavel Machek
2006-10-28 19:48 ` David Zeuthen
2006-10-28 21:10 ` Pavel Machek
2006-10-28 15:09 ` David Zeuthen
2006-10-28 15:31 ` David Zeuthen
2006-10-28 18:12 ` Shem Multinymous
2006-10-31 7:49 ` Greg KH
2006-10-31 13:28 ` Shem Multinymous
2006-11-01 19:31 ` Greg KH
2006-11-01 19:53 ` Shem Multinymous
2006-11-01 20:53 ` Greg KH
2006-11-01 23:55 ` [ltp] " Henrique de Moraes Holschuh
2006-11-02 3:45 ` Greg KH
2006-11-02 17:49 ` Bill Davidsen
2006-11-02 19:19 ` Richard Hughes
2006-11-02 21:20 ` Pavel Machek [this message]
2006-11-03 12:46 ` Henrique de Moraes Holschuh
2006-11-03 15:13 ` Stefan Seyfried
2006-11-02 22:01 ` Pavel Machek
2006-11-03 13:12 ` U Kuehn
2006-11-05 20:52 ` Pavel Machek
2006-11-05 21:02 ` Jean Delvare
2006-11-01 21:27 ` Pavel Machek
2006-11-01 21:32 ` Richard Hughes
2006-10-31 7:59 ` Jean Delvare
2006-10-31 13:42 ` Shem Multinymous
2006-10-31 13:51 ` Xavier Bestel
2006-10-31 14:06 ` Shem Multinymous
2006-11-01 13:26 ` Richard Hughes
2006-11-01 13:54 ` David Woodhouse
2006-11-01 14:36 ` Henrique de Moraes Holschuh
2006-11-01 16:36 ` Shem Multinymous
2006-11-01 16:55 ` Henrique de Moraes Holschuh
2006-11-01 19:30 ` Greg KH
2006-11-02 7:52 ` Jean Delvare
2006-11-02 8:39 ` Richard Hughes
2006-11-02 13:54 ` Henrique de Moraes Holschuh
2006-11-02 17:52 ` Bill Davidsen
2006-11-02 19:26 ` Richard B. Johnson
2006-11-03 13:23 ` Henrique de Moraes Holschuh
2006-11-03 14:20 ` Richard B. Johnson
2006-11-03 16:10 ` [ltp] " Henrique de Moraes Holschuh
2006-10-28 18:55 ` Pavel Machek
2006-10-28 19:53 ` David Zeuthen
2006-10-28 21:05 ` Pavel Machek
2006-10-28 21:54 ` Henrique de Moraes Holschuh
2006-10-26 9:55 ` [ltp] " FeRD
2006-10-28 5:12 ` Pavel Machek
2006-10-24 3:41 ` Benjamin Herrenschmidt
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