OpenSUSE Tumbleweed laptop battery care warnings, below 20% when discharging and above 80% when charging. Requires ripgrep for regex matching. Run as KDE autostart-script.

battery-care-notifications.zsh

#!/usr/bin/zsh

sleep 30

while true
do
  # You might need to change the `Battery $N` number in both regular expressions below.
  # Use `acpi -b` to determine the battery number you want to watch.
  state="$(acpi -b | rg '^Battery 1: (\w+)' --only-matching --replace '$1')"
  percentage="$(acpi -b | rg '^Battery 1: \w+, (\d+)%' --only-matching --replace '$1')"

  intro="Battery care check:"
  title="Battery $state"
  body="Level: ${percentage}%"

  if [[ $state = "Charging" || $state = "Full" ]]; then
   if [[ $percentage -ge 80 ]]; then
    echo "[ WARN ] $intro $title - $body"

    notify-send --urgency=CRITICAL "$title" "$body"
    paplay /usr/share/sounds/freedesktop/stereo/suspend-error.oga
   else
    echo "[  OK  ] $intro $title - $body"
   fi
  else
   if [[ $percentage -le 20 ]]; then
    echo "[ WARN ] $intro $title - $body"

    notify-send --urgency=CRITICAL "$title" "$body"
    paplay /usr/share/sounds/freedesktop/stereo/suspend-error.oga
   else
    echo "[  OK  ] $intro $title - $body"
   fi
  fi

  # 2m30s
  sleep 150
done