/sys/class/power_supply/ADP0: POWER_SUPPLY_NAME=ADP0 POWER_SUPPLY_ONLINE=1 /sys/class/power_supply/BAT0: POWER_SUPPLY_NAME=BAT0 POWER_SUPPLY_STATUS=Unknown POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=Li-poly POWER_SUPPLY_CYCLE_COUNT=4 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=7720000 POWER_SUPPLY_VOLTAGE_NOW=8773000 POWER_SUPPLY_POWER_NOW=0 POWER_SUPPLY_ENERGY_FULL_DESIGN=51020000 POWER_SUPPLY_ENERGY_FULL=52400000 POWER_SUPPLY_ENERGY_NOW=51270000 POWER_SUPPLY_CAPACITY=97 POWER_SUPPLY_CAPACITY_LEVEL=Normal POWER_SUPPLY_MODEL_NAME=L18M4PE0 POWER_SUPPLY_MANUFACTURER=SMP POWER_SUPPLY_SERIAL_NUMBER=... /sys/class/power_supply/wacom_battery_0: POWER_SUPPLY_NAME=wacom_battery_0 POWER_SUPPLY_MODEL_NAME=Wacom HID 51EF POWER_SUPPLY_PRESENT=0 POWER_SUPPLY_STATUS=Unknown POWER_SUPPLY_SCOPE=Device POWER_SUPPLY_CAPACITY=0