Date: Wed, 19 Oct 2011 14:18:14 +1100 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Dmitry Kolosov <onyx@z-up.ru> Cc: freebsd-mobile@freebsd.org Subject: Re: Battery charge limiting Message-ID: <20111019135942.C21255@sola.nimnet.asn.au> In-Reply-To: <201110182335.15862.onyx@z-up.ru> References: <201110182335.15862.onyx@z-up.ru>
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On Tue, 18 Oct 2011, Dmitry Kolosov wrote: > Is there a way to limit maximum battery charge level in FreeBSD? > As for common notebook battery usage recommendations - the best way to prolong > your battery life is to install and use software (available on windows), that > limits maximum charge level on about 80%, not giving battery to charge full. > so, it possible software-way, depending on (?) battery's controller. I've never heard of such a theory as limiting charge to prolong battery life, not with Lithium Ion batteries anyway; nor have I ever seen any such as a BIOS option. 'Common' on which brand/s of notebooks? Can you provide any links to articles discussing this? I don't think control over a notebook's charging is possible in FreeBSD; this is usually managed by an Embedded Controller and ACPI merely passes on the the states reported by that and by the battery itself. cheers, Ian
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