Date: Wed, 19 Oct 2011 12:49:26 -0600 From: Warner Losh <imp@bsdimp.com> To: Jim Pazarena <fmobile@paz.bz> Cc: freebsd-mobile@FreeBSD.org Subject: Re: Battery charge limiting Message-ID: <BB3624A4-CB81-4F23-9FC1-B6BA8A6AFB8C@bsdimp.com> In-Reply-To: <4E9F0A0E.10009@paz.bz> References: <201110182335.15862.onyx@z-up.ru> <201110190844.17703.onyx@z-up.ru> <CAN6yY1s-z4Gwau6Yj3XWyA50114aOE9CNtFhJOpU=y0LtwtC2w@mail.gmail.com> <201110191713.02435.onyx@z-up.ru> <CAN6yY1vu%2Bv0aU%2BstqwRo216TwAadLHdwdYQsjPS=R8gkBKR61A@mail.gmail.com> <4E9F0A0E.10009@paz.bz>
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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<onyx@z-up.ru> 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
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