/sys/class/power_supply/AC: POWER_SUPPLY_NAME=AC POWER_SUPPLY_TYPE=Mains POWER_SUPPLY_ONLINE=1 /sys/class/power_supply/BAT0: POWER_SUPPLY_NAME=BAT0 POWER_SUPPLY_TYPE=Battery POWER_SUPPLY_STATUS=Not charging POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=Li-ion POWER_SUPPLY_CYCLE_COUNT=0 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10800000 POWER_SUPPLY_VOLTAGE_NOW=12004000 POWER_SUPPLY_POWER_NOW=0 POWER_SUPPLY_ENERGY_FULL_DESIGN=40400000 POWER_SUPPLY_ENERGY_FULL=41400000 POWER_SUPPLY_ENERGY_NOW=39310000 POWER_SUPPLY_CAPACITY=94 POWER_SUPPLY_CAPACITY_LEVEL=Normal POWER_SUPPLY_MODEL_NAME=45N1049 POWER_SUPPLY_MANUFACTURER=LGC POWER_SUPPLY_SERIAL_NUMBER=... /sys/class/power_supply/hidpp_battery_0: POWER_SUPPLY_NAME=hidpp_battery_0 POWER_SUPPLY_TYPE=Battery POWER_SUPPLY_ONLINE=1 POWER_SUPPLY_STATUS=Discharging POWER_SUPPLY_SCOPE=Device POWER_SUPPLY_MODEL_NAME=ERGO M575 Trackball POWER_SUPPLY_MANUFACTURER=Logitech POWER_SUPPLY_SERIAL_NUMBER=... POWER_SUPPLY_CAPACITY=75