On Thu, May 17, 2018 at 9:07 AM, Erik P. Olsen <epodata(a)gmail.com> wrote:
On 2018-05-17 at 08:52:08 Chris Murphy wrote:
> I've noticed this only a few times, and it doesn't always happen, but
> there isn't enough data to form a pattern.
>
> Fedora Workstation 28
> kernel varies but mainly I use Rawhide kernels to catch bugs
>
> [ 0.000000] DMI: HP HP Spectre Notebook/81A0, BIOS F.40 02/26/2018
>
> Battery is 100% charged. Computer is powered off via GNOME power
> button icon thingy. Unplug power cord. Go to bed. Morning I plug power
> back into the laptop and boot, and the battery icon indicates
> charging, click on that icon and it reports it's charging the batter,
> will take 40 minutes until full (80%).
>
> So how the heck is the battery losing 20% when the laptop is powered
> off? I have in the past couple weeks left the laptop overnight in
> suspend to RAM mode, unplugged from power, and in the morning it's 90%
> charged, which makes some sense I guess even though that still seems
> like a lot of loss. But 20% powered off makes no sense.
>
> The first time this happened I was suspicious of my own memory: OK
> maybe I left it in suspend even though I'm 99% certain I powered it
> off, but which is more likely, that I'm being spacey or that the
> laptop discharged 20% overnight while powered off? But this time I am
> certain it was powered off.
>
> Anyway, it's been charging a bit before I ran this:
>
>
> [chris@f28h ~]$ upower -i /org/freedesktop/UPower/devices/battery_BAT1
> native-path: BAT1
> vendor: Hewlett-Packard
> model: PABAS0241231
> serial: 41167
> power supply: yes
> updated: Thu 17 May 2018 08:42:18 AM MDT (45 seconds ago)
> has history: yes
> has statistics: yes
> battery
> present: yes
> rechargeable: yes
> state: charging
> warning-level: none
> energy: 27.412 Wh
> energy-empty: 0 Wh
> energy-full: 31.5161 Wh
> energy-full-design: 38.115 Wh
> energy-rate: 6.7067 W
> voltage: 8.743 V
> time to full: 36.7 minutes
> percentage: 86%
> capacity: 82.6869%
> technology: lithium-ion
> icon-name: 'battery-full-charging-symbolic'
> History (rate):
> 1526568138 6.707 charging
>
> [chris@f28h ~]$
>
>
> Pretty weird.
>
>
What happens if you also remove the battery during the power off period?
It cannot be removed.
--
Chris Murphy