Thinkpad Notes

Battery and Power

# Set start and stop charging thresholds
$ vi /etc/tlp.conf
START_CHARGE_THRESH_BAT0=75
STOP_CHARGE_THRESH_BAT0=80

See "man tlp" for applying the config.

 

power stats

power () {
    bat_energy_now=$(cat /sys/class/power_supply/BAT0/energy_now)
    bat_energy_full=$(cat /sys/class/power_supply/BAT0/energy_full)
    bat_capacity=$(cat /sys/class/power_supply/BAT0/capacity)
    bat_start_chrg=$(cat /sys/class/power_supply/BAT0/charge_control_start_threshold)
    bat_stop_chrg=$(cat /sys/class/power_supply/BAT0/charge_control_end_threshold)
    ac_online=$(cat /sys/class/power_supply/AC/online)

    echo -n "Battery energy (${bat_energy_full}/${bat_energy_now}): "
    echo "(${bat_energy_now}/${bat_energy_full})*100" | bc -l
    echo "Battery capacity: ${bat_capacity}%"
    echo "Start charge %: ${bat_start_chrg}"
    echo "Stop charge %: ${bat_stop_chrg}"
    echo "AC connected: ${ac_online}"
}

$ power
Battery energy (56970000/45650000): 80.12989292610145690700
Battery capacity: 80%
Start charge %: 90
Stop charge %: 100
AC connected: 1

 

Disks

# List disks
$ tlp diskid

 

Screen

# Brightness on T13
$ cat /sys/class/backlight/intel_backlight/brightness

# Brightness on T14
$ cat /sys/class/backlight/amdgpu_bl0/brightness

 

---