From owner-freebsd-questions@freebsd.org  Sun Jan 22 21:02:16 2017
Return-Path: <owner-freebsd-questions@freebsd.org>
Delivered-To: freebsd-questions@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8FE6FCBC641
 for <freebsd-questions@mailman.ysv.freebsd.org>;
 Sun, 22 Jan 2017 21:02:16 +0000 (UTC)
 (envelope-from bah@bananmonarki.se)
Received: from feeder.usenet4all.se (1-1-1-38a.far.sth.bostream.se
 [82.182.32.53])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 19D1E17B4
 for <freebsd-questions@freebsd.org>; Sun, 22 Jan 2017 21:02:15 +0000 (UTC)
 (envelope-from bah@bananmonarki.se)
Received: from [10.0.0.3] (testbox.usenet4all.se [10.0.0.3])
 by feeder.usenet4all.se (8.13.1/8.13.1) with ESMTP id v0ML2CCU090144;
 Sun, 22 Jan 2017 22:02:12 +0100 (CET)
 (envelope-from bah@bananmonarki.se)
Subject: Re: stop charging laptop battery when full
To: JD <jd1008@gmail.com>, freebsd-questions@freebsd.org
References: <20170120171125.GA3965@c720-r292778-amd64>
 <a897cedd-e6e6-f779-f503-f982212ffe58@bananmonarki.se>
 <CAHu1Y73LNsKKQPGL4wUZr633+EqpfZkzGq2e5RqR5vXm-Wo+pw@mail.gmail.com>
 <588519EE.2090905@gmail.com>
From: Bernt Hansson <bah@bananmonarki.se>
Message-ID: <18e462b9-fea5-705a-c585-cfba8c9b57c6@bananmonarki.se>
Date: Sun, 22 Jan 2017 22:01:05 +0100
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101
 Thunderbird/45.6.0
MIME-Version: 1.0
In-Reply-To: <588519EE.2090905@gmail.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 22 Jan 2017 21:02:16 -0000

On 2017-01-22 21:45, JD wrote:
>
>
> On 01/22/2017 01:37 PM, Michael Sierchio wrote:
>> On Sun, Jan 22, 2017 at 12:29 PM, Bernt Hansson <bah@bananmonarki.se> 
>> wrote:
>>
>> On 2017-01-20 18:11, Matthias Apitz wrote:
>>>> While charging, is there a way to stop the charging when
>>>> hw.acpi.battery.life reached 100 to protect the (LI-ion) battery?
>>>>
>>>> Thanks
>>>>
>>>>          matthias
>>>>
>>> The simplest way is to use a timer.
>>>
>> Do you use a clock to tell if the water in your bath is too hot?
>>
>> Do you use a watch to determine if you have reached your destination 
>> in a
>> car?
>>
>> It is taking all the restraint I can muster not to label that the least
>> helpful bit of advice I have read here. Oops. It slipped out.
>>
> My $.02's worth:
> Since continuous charging after battery is full reduces the life of 
> the battery,
> should not  the charging circuitry in the laptop detect the battery is 
> full, and
> break the circuit?
That's how it works.