From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp3.adl2.internode.on.net (smtp3.adl2.internode.on.net [203.16.214.203]) by ozlabs.org (Postfix) with ESMTP id 0AB8E2BC0F for ; Wed, 20 Oct 2004 18:58:52 +1000 (EST) Received: from nev.toojays.net (ppp48-50.lns1.adl2.internode.on.net [150.101.48.50]) by smtp3.adl2.internode.on.net (8.12.9/8.12.9) with ESMTP id i9K8wfOU073128 for ; Wed, 20 Oct 2004 18:28:43 +0930 (CST) From: John Steele Scott To: linuxppc-dev@ozlabs.org Date: Wed, 20 Oct 2004 18:27:57 +0930 References: <20041018232004.0a9e0d5e@jack.colino.net> <1098168058.15029.45.camel@gaston> <20041020094651.5ceff814@pirandello> In-Reply-To: <20041020094651.5ceff814@pirandello> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1154724.LK66ULBKAe"; protocol="application/pgp-signature"; micalg=pgp-sha1 Message-Id: <200410201828.04655.toojays@toojays.net> Subject: Re: PMU questions List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --nextPart1154724.LK66ULBKAe Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline > I can't find a logic in this stuff... Do you think there's a special > reason why Apple uses such a complicated method instead of > a) charging until voltage stays equals for a few minutes > b) draining until voltage goes under 13.5 volts (or 13, or whatever) > > In my uninformed opinion that would work better, wouldn't it? My opinion is only slightly more informed than yours, but I do know that th= e=20 characteristics of modern rechargable batteries (lithium-ion or similar) ar= e=20 quite complicated . . . for instance even the method of charging them=20 requires special controlling circuitry. cheers, John --nextPart1154724.LK66ULBKAe Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Messages with missing or bad signatures may have been forged or modified in transit! iD8DBQBBdiic0BW7kPcXjRURAjnIAJ40t7HUMqY9quRnlhX4qeFoWb9WVwCg+p+M pQeV0IxmzBdeyZ1CHXKhQSs= =xQaV -----END PGP SIGNATURE----- --nextPart1154724.LK66ULBKAe--