/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=Full POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=Li-poly POWER_SUPPLY_CYCLE_COUNT=0 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=15200000 POWER_SUPPLY_VOLTAGE_NOW=16770000 POWER_SUPPLY_POWER_NOW=0 POWER_SUPPLY_ENERGY_FULL_DESIGN=52060000 POWER_SUPPLY_ENERGY_FULL=33240000 POWER_SUPPLY_ENERGY_NOW=33240000 POWER_SUPPLY_CAPACITY=100 POWER_SUPPLY_CAPACITY_LEVEL=Full POWER_SUPPLY_MODEL_NAME=00HW029 POWER_SUPPLY_MANUFACTURER=SMP POWER_SUPPLY_SERIAL_NUMBER=... /sys/class/power_supply/wacom_battery_0: POWER_SUPPLY_NAME=wacom_battery_0 POWER_SUPPLY_TYPE=Battery POWER_SUPPLY_MODEL_NAME=Wacom Pen and multitouch sensor POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_STATUS=Unknown POWER_SUPPLY_SCOPE=Device POWER_SUPPLY_CAPACITY=50