Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750937AbWEVP1Z (ORCPT ); Mon, 22 May 2006 11:27:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750940AbWEVP1Z (ORCPT ); Mon, 22 May 2006 11:27:25 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:57492 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1750937AbWEVP1Y (ORCPT ); Mon, 22 May 2006 11:27:24 -0400 Subject: Re: [IDEA] Poor man's UPS From: Alan Cox To: Christian Trefzer Cc: Jan Knutar , Pau Garcia i Quiles , linux-kernel@vger.kernel.org In-Reply-To: <20060522151303.GA4538@hermes.uziel.local> References: <200605212131.47860.pgquiles@elpauer.org> <20060521224012.GB30855@hermes.uziel.local> <200605221604.16043.jk-lkml@sci.fi> <20060522151303.GA4538@hermes.uziel.local> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 22 May 2006 16:40:58 +0100 Message-Id: <1148312458.17376.54.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-4.fc4) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 726 Lines: 17 > Guess the chosen terminology was a bit unlucky, with "completely" I > meant in fact "completely, within the constraints implied by the > technology used" ; ) So no deep discharge, but "as far as it gets > without killing the battery". Lead acid batteries should be kept well charged to avoid sulphation and always full charged when recharging, preferably using a charger that will do proper three step charging. "Cycling" a lead acid battery is a great way to destroy it. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/