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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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How do I calibrate a new battery on Linux? (lemmy.ml)

submitted 1 month ago* (last edited 1 month ago) by velox_vulnus@lemmy.ml to c/linux@lemmy.ml

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I've installed a new battery on my laptop, but to my surprise, the percentage of charge in the battery is at 0. Here's the upower diagnostics:

$ upower -i /org/freedesktop/UPower/devices/battery_BAT0
  native-path:          BAT0
  serial:               0
  power supply:         yes
  updated:              Thursday 11 July 2024 09:54:55 PM (16 seconds ago)
  has history:          yes
  has statistics:       yes
  battery
    present:             yes
    rechargeable:        yes
    state:               pending-charge
    warning-level:       none
    energy:              0 Wh
    energy-empty:        0 Wh
    energy-full:         0 Wh
    energy-full-design:  0 Wh
    energy-rate:         0 W
    charge-cycles:       100
    percentage:          0%
    technology:          lithium-ion
    icon-name:          'battery-caution-charging-symbolic'

The "energy-full-design" capacity of the battery should be 70Wh, but here it is, at 0Wh. None of the statistics above (except date and time) have updated, and it's been two days already. How do I calibrate this battery?

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[–] MangoPenguin@lemmy.blahaj.zone 8 points 1 month ago (3 children)

It reads that data direct from the batteries BMS hardware, I don't think battery calibration has been a thing since NiCD/NiMH days in the 90s and stuff.

[–] velox_vulnus@lemmy.ml 1 points 1 month ago (1 children)

I'm not even sure what kind of behavior is this from a battery - it blinks even when I put in the charger, however it has stopped blinking since the time I've put in the charger for almost more than a day. But the value is still at zero - and ironically, it does not shut down immediately - maybe after two-five hours? Is the PCB a goner?

[–] MangoPenguin@lemmy.blahaj.zone 2 points 1 month ago

Hmm possibly a connector from the battery to motherboard that didn't fully seat?

Or if it's an aftermarket battery maybe it doesn't have the right hardware in it to talk to the computer or something.

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