From owner-freebsd-mobile@FreeBSD.ORG Wed Oct 19 18:50:57 2011 Return-Path: Delivered-To: freebsd-mobile@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2DA66106566C for ; Wed, 19 Oct 2011 18:50:57 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (bsdimp.com [199.45.160.85]) by mx1.freebsd.org (Postfix) with ESMTP id DCBE38FC17 for ; Wed, 19 Oct 2011 18:50:56 +0000 (UTC) Received: from [10.30.101.53] ([209.117.142.2]) (authenticated bits=0) by harmony.bsdimp.com (8.14.4/8.14.3) with ESMTP id p9JInfua020454 (version=TLSv1/SSLv3 cipher=DHE-DSS-AES128-SHA bits=128 verify=NO); Wed, 19 Oct 2011 12:49:46 -0600 (MDT) (envelope-from imp@bsdimp.com) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Warner Losh In-Reply-To: <4E9F0A0E.10009@paz.bz> Date: Wed, 19 Oct 2011 12:49:26 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: References: <201110182335.15862.onyx@z-up.ru> <201110190844.17703.onyx@z-up.ru> <201110191713.02435.onyx@z-up.ru> <4E9F0A0E.10009@paz.bz> To: Jim Pazarena X-Mailer: Apple Mail (2.1084) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (harmony.bsdimp.com [10.0.0.6]); Wed, 19 Oct 2011 12:49:46 -0600 (MDT) Cc: freebsd-mobile@FreeBSD.org Subject: Re: Battery charge limiting X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Oct 2011 18:50:57 -0000 Mac OS doesen't do this for batteries "sealed" into the case, so I too = have my doubts about these assertions. Does anybody have any studies = with hard data to back up this conventional wisdom? Warner On Oct 19, 2011, at 11:34 AM, Jim Pazarena wrote: > Kevin Oberman wrote, On 2011-10-19 8:49 AM: >> On Wed, Oct 19, 2011 at 6:13 AM, Dmitry Kolosov wrote: >>> Now the question is: how to discover EC/battery controller = capabilities of >>> such functions as holding battery about X% of full charge. >>=20 >> Or to find the EC magic to turn off charging and create a daemon that >> monitors charge level nd turns charging off at about 80% and back on >> if it drops below 75%. >=20 > renowned Tech Guy "Leo Laporte" and security expert "Steve Gibson" > had a discussion regarding lithium ion batteries, and Steve's findings > contradict these comments. >=20 > I captured their podcast, and created a wav file (48Mb download) which > is available at ftp://ftp.haidagwaii.net/wav/ > specifically at: > = ftp://ftp.haidagwaii.net/wav/lithium_ion_batteries_care-and-maintenance48M= b.wav > _______________________________________________ > freebsd-mobile@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mobile > To unsubscribe, send any mail to = "freebsd-mobile-unsubscribe@freebsd.org" >=20 >=20