Internal battery: /sys/class/power_supply/BAT0/status = Unknown

[Janis Beckert <janis.beckert@xxxxxxxxx>]

Hey everyone!

First off: I am not sure if this is the proper place to report this issue. If you know the proper channel, please point me to it.

My new W550s contains an internal battery, and has an external replaceable slice. Unfortunately, I cannot read out the status of the internal battery, nor its current power

 % cat /sys/class/power_supply/BAT0/status
Unknown

% cat /sys/class/power_supply/BAT0/power_now
0

Maybe it's also interesting to note that the runtimes seem to be disabled:

% cat /sys/class/power_supply/BAT0/power/runtime_enabled
disabled

% cat /sys/class/power_supply/BAT0/power/runtime_status
unsupported

On the other hand, energy_now and energy_full are reported:
% cat /sys/class/power_supply/BAT0/energy_full
45610000

% cat /sys/class/power_supply/BAT0/energy_now
40500000

Best wishes

Janis

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