From owner-freebsd-questions@freebsd.org Sun Jan 22 20:45:39 2017 Return-Path: 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 B71ECCBDA90 for ; Sun, 22 Jan 2017 20:45:39 +0000 (UTC) (envelope-from jd1008@gmail.com) Received: from mail-it0-x22a.google.com (mail-it0-x22a.google.com [IPv6:2607:f8b0:4001:c0b::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7E0BC64D for ; Sun, 22 Jan 2017 20:45:39 +0000 (UTC) (envelope-from jd1008@gmail.com) Received: by mail-it0-x22a.google.com with SMTP id r185so54080257ita.0 for ; Sun, 22 Jan 2017 12:45:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding; bh=QvHEoUuKdBSaYiv6TTgQQE9J81xQ2bbn5r02I28n6Vs=; b=PT1X51Ia+B7N/joWxVTGB1i7dmMHBMryzhh1D8Kk0fY2Q482qknTctNIOJ5ewO591l KbTAnkX5+gNwc7u2qurPN+cISNpTQ3GgatiuAvnsJhLFLg2Z6KAbP06qhaew1osAhnSk vyxkX8pTzuMAYrGEW8wOXxiCwKWwiA/8fraYRyvt1kgWFtTnm94R0eWIOuWKY8sQl25J SgaGvBFA0nVEpA8ZlSnhZxBK8OjaZ0M3Rc825sPsbjWjqEYrex+X79XvNRPScuYDTa1A GSXucQv6zsN6fZeOyS4mvLm6GpwSEo6lbjI5GnyMfCtviA1NOKReyQfUZud56PYgQ46K LvEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=QvHEoUuKdBSaYiv6TTgQQE9J81xQ2bbn5r02I28n6Vs=; b=LCcm9E9GLKfajSPTqPsERZHws/BWLoMEv9Uu3QN4CqYK1ijckiI/5ga084sg16WOTG xSKl1b77fmGUwDLwt23uqx/lD/6WMf+eVaWLD04HfuKpH1aDfm8KfF6gqzkGZfYtnaNR 6ih8w2sQlqLrjBBxgdVdeo+ThuOhSlyt7DMbdKVNY8xzBPqNCFsaTtf4PVU/hFdktgrK TAkvfrFKeope8nQiytHESuxJZ7qfZpX6bvnlntcdVXFV0vUhj+b4oKlR1PyQw3FG0W0I nQm/J1JezRK4JM/6RpCw3G3nkTONKgxc+iQNERr6FdKge7HDQwcdxiY/mVLXqs3MkWNd mWQg== X-Gm-Message-State: AIkVDXLIGot2SPPzNMSmM2sySqMLP4GF/HAHJB+xJ3GX3cNM7sPvqueGwoZlD6YronwWDQ== X-Received: by 10.36.86.4 with SMTP id o4mr12414040itb.83.1485117938683; Sun, 22 Jan 2017 12:45:38 -0800 (PST) Received: from localhost.localdomain (50-243-4-3-static.hfc.comcastbusiness.net. [50.243.4.3]) by smtp.googlemail.com with ESMTPSA id 9sm5205919itm.18.2017.01.22.12.45.37 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 22 Jan 2017 12:45:38 -0800 (PST) Subject: Re: stop charging laptop battery when full To: freebsd-questions@freebsd.org References: <20170120171125.GA3965@c720-r292778-amd64> From: JD Message-ID: <588519EE.2090905@gmail.com> Date: Sun, 22 Jan 2017 13:45:34 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Jan 2017 20:45:39 -0000 On 01/22/2017 01:37 PM, Michael Sierchio wrote: > On Sun, Jan 22, 2017 at 12:29 PM, Bernt Hansson 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?