Проверить состояние батареи ноутбука с помощью команды upower

sudo upower -e

/org/freedesktop/UPower/devices/line_power_ACAD
/org/freedesktop/UPower/devices/battery_BAT1
/org/freedesktop/UPower/devices/DisplayDevice

upower -i /org/freedesktop/UPower/devices/battery_BAT1

 native-path:          BAT0
 vendor:               SMP
 model:                L14M4P23
 serial:               756
 power supply:         yes
 updated:              Monday 03 December 2018 07:56:18 PM IST (95 seconds ago)
 has history:          yes
 has statistics:       yes
 battery
   present:             yes
   rechargeable:        yes
   state:               discharging
   warning-level:       none
   energy:              28.23 Wh
   energy-empty:        0 Wh
   energy-full:         52.26 Wh
   energy-full-design:  60 Wh
   energy-rate:         10.714 W
   voltage:             14.819 V
   time to empty:       2.6 hours
   percentage:          54%
   capacity:            87.1%
   technology:          lithium-ion
   icon-name:          'battery-good-symbolic'
 History (charge):
   1543847178	54.000	discharging
 History (rate):
   1543847178	10.714	discharging