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