Date: Sat, 12 Dec 2009 16:28:45 +0100 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Zoran Kolic <zkolic@sbb.rs> Cc: freebsd-stable@freebsd.org Subject: Re: laptop battery on 8.0 Message-ID: <20091212152845.GA56439@onelab2.iet.unipi.it> In-Reply-To: <20091212151121.GA1461@mycenae.net> References: <20091212151121.GA1461@mycenae.net>
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On Sat, Dec 12, 2009 at 04:11:22PM +0100, Zoran Kolic wrote: > Howdy! > Old laptop hp nx9020 with i386 8.0. > Original battery was 371785-001, 11.1 V and 4400 mAH. > New one says it is f4809 at 14.8 V. I also lost precise > measurement of remain battery time: > > hw.acpi.battery.life: 97 > hw.acpi.battery.time: 267 > > then again: > > hw.acpi.battery.life: 97 > hw.acpi.battery.time: 388 > > I'd like to hear any opinion on this subject. Could I > damage laptop? Also, what I could do to regain "life" > option? surely there might be a mistake in how data are parsed, but remember that the "remaining time" is computed based on remaining capacity and recent average current. So, if for any reason (cpu/disk/network load decreases, screensaver, etc.) the current decreases, the reported time goes up. It happens all the time with 'acpiconf -i batt' even on 7.x. cheers luigi
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