Date: Wed, 03 Apr 2013 20:38:11 -0400 From: "Andre Goree" <andre@drenet.info> To: "Ian Smith" <smithi@nimnet.asn.au> Cc: freebsd-mobile@freebsd.org Subject: Re: Two batteries recognized Message-ID: <op.wuzqpyrdqdqf40@localhost.localdomain> In-Reply-To: <515C4C83.2040502@drenet.info> References: <op.wuybipm9qdqf40@localhost.localdomain> <20130403204012.C56386@sola.nimnet.asn.au> <515C4C83.2040502@drenet.info>
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On Wed, 03 Apr 2013 11:36:35 -0400, Andre Goree <andre@drenet.info> wrote: > On 04/03/13 05:55, Ian Smith wrote: >> On Wed, 3 Apr 2013 02:12:15 -0400, Andre Goree wrote: >> > For some reason, acpi is recognizing two batteries, though my system >> has only >> > one. I've searched Google but haven't really found a way to rectify >> this. >> > Any ideas? Here's some information that may help, let me know if >> there's >> > other things I can provide: >> > > [root@dlaptop ~]# sysctl -a | grep battery >> > hw.acpi.battery.life: 81 >> > hw.acpi.battery.time: -1 >> > hw.acpi.battery.state: 2 >> > hw.acpi.battery.units: 2 >> > hw.acpi.battery.info_expire: 5 >> > dev.battery.0.%desc: ACPI Control Method Battery >> > dev.battery.0.%driver: battery >> > dev.battery.0.%location: handle=\_SB_.BAT0 >> > dev.battery.0.%pnpinfo: _HID=PNP0C0A _UID=1 >> > dev.battery.0.%parent: acpi0 >> > dev.battery.1.%desc: ACPI Control Method Battery >> > dev.battery.1.%driver: battery >> > dev.battery.1.%location: handle=\_SB_.BAT1 >> > dev.battery.1.%pnpinfo: _HID=PNP0C0A _UID=2 >> > dev.battery.1.%parent: acpi0 >> You don't say what make/model laptop, though your acpiconf suggests some >> sort of Dell. Many laptops have the capacity to add a second battery, >> sometimes instead of a CD/DVD or extra hard drive in a bay. The above >> output doesn't indicate that there are two fitted, just the capacity for >> managing two in the ACPI/BIOS. >> 'bat0' and 'bat1' used below are not valid battery descriptors, specify >> only '0' or '1'. Yes, acpiconf(8) should be a lot clearer about that. >> Specifying any invalid string always gets you info for battery 0, ie is >> equivalent to 'acpiconf -i0', which is why the results below are both >> the same down to the serial numbers and present charge rate and voltage. >> If 'acpiconf -i 1' shows other than 'Device not configured' you might >> indeed have some issue. >> cheers, Ian > [root@dlaptop ~]# acpiconf -i bat0 >> > Design capacity: 5200 mAh >> > Last full capacity: 4677 mAh >> > Technology: secondary (rechargeable) >> > Design voltage: 11100 mV >> > Capacity (warn): 520 mAh >> > Capacity (low): 157 mAh >> > Low/warn granularity: 52 mAh >> > Warn/full granularity: 52 mAh >> > Model number: DELL PT43693 >> > Serial number: 37449 >> > Type: LION >> > OEM info: Samsung SDI >> > State: charging >> > Remaining capacity: 77% >> > Remaining time: unknown >> > Present rate: 2692 mA (33359 mW) >> > Present voltage: 12392 mV >> > > [root@dlaptop ~]# acpiconf -i bat1 >> > Design capacity: 5200 mAh >> > Last full capacity: 4677 mAh >> > Technology: secondary (rechargeable) >> > Design voltage: 11100 mV >> > Capacity (warn): 520 mAh >> > Capacity (low): 157 mAh >> > Low/warn granularity: 52 mAh >> > Warn/full granularity: 52 mAh >> > Model number: DELL PT43693 >> > Serial number: 37449 >> > Type: LION >> > OEM info: Samsung SDI >> > State: charging >> > Remaining capacity: 77% >> > Remaining time: unknown >> > Present rate: 2692 mA (33359 mW) >> > Present voltage: 12392 mV >> > > -- > Andre Goree >> > andre@drenet.info >> > > Thanks! I will check this when I get home (currently slaving at work > :P). > > The model is a Dell Latitude E6400. > Ok, so my [correct] output is below. Is there a way to disable a battery? It's really more just so I can get the correct output from KDE's battery monitor. It currently recognizes the two batteries, and when I have the AC adapter unplugged it shows 50% (I'm assuming because one battery is full, the other empty -- or unrecognized -- rather than 100%). [root@dlaptop ~]# acpiconf -i 1 Design capacity: 0 mAh Last full capacity: 0 mAh Technology: secondary (rechargeable) Design voltage: 0 mV Capacity (warn): 0 mAh Capacity (low): 0 mAh Low/warn granularity: 0 mAh Warn/full granularity: 0 mAh Model number: Serial number: 0 Type: OEM info: State: not present Present voltage: unknown [root@dlaptop ~]# acpiconf -i 0 Design capacity: 5200 mAh Last full capacity: 4677 mAh Technology: secondary (rechargeable) Design voltage: 11100 mV Capacity (warn): 520 mAh Capacity (low): 157 mAh Low/warn granularity: 52 mAh Warn/full granularity: 52 mAh Model number: DELL PT43693 Serial number: 37449 Type: LION OEM info: Samsung SDI State: high Remaining capacity: 100% Remaining time: unknown Present rate: 1 mA (12 mW) Present voltage: 12506 mV -- Andre Goree andre@drenet.info
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