/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=Unknown POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=Li-ion POWER_SUPPLY_CYCLE_COUNT=7 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=7700000 POWER_SUPPLY_VOLTAGE_NOW=8266000 POWER_SUPPLY_CURRENT_NOW=0 POWER_SUPPLY_CHARGE_FULL_DESIGN=6150000 POWER_SUPPLY_CHARGE_FULL=6138000 POWER_SUPPLY_CHARGE_NOW=4883000 POWER_SUPPLY_CAPACITY=79 POWER_SUPPLY_CAPACITY_LEVEL=Normal POWER_SUPPLY_MODEL_NAME=Primary POWER_SUPPLY_MANUFACTURER=Hewlett-Packard POWER_SUPPLY_SERIAL_NUMBER=... /sys/class/power_supply/hid-dc:2c:26:d8:97:81-battery: POWER_SUPPLY_NAME=hid-dc:2c:26:d8:97:81-battery POWER_SUPPLY_TYPE=Battery POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_ONLINE=1 POWER_SUPPLY_CAPACITY=76 POWER_SUPPLY_MODEL_NAME=NUTYPE F1 POWER_SUPPLY_STATUS=Discharging POWER_SUPPLY_SCOPE=Device /sys/class/power_supply/wacom_battery_0: POWER_SUPPLY_NAME=wacom_battery_0 POWER_SUPPLY_TYPE=USB POWER_SUPPLY_MODEL_NAME=Wacom HID 4910 POWER_SUPPLY_PRESENT=0 POWER_SUPPLY_STATUS=Unknown POWER_SUPPLY_SCOPE=Device POWER_SUPPLY_CAPACITY=0