/sys/class/power_supply/AC: POWER_SUPPLY_NAME=AC POWER_SUPPLY_ONLINE=1 /sys/class/power_supply/BAT0: POWER_SUPPLY_NAME=BAT0 POWER_SUPPLY_STATUS=Full POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=Unknown POWER_SUPPLY_CYCLE_COUNT=0 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=11100000 POWER_SUPPLY_VOLTAGE_NOW=12524000 POWER_SUPPLY_POWER_NOW=0 POWER_SUPPLY_ENERGY_FULL_DESIGN=48840000 POWER_SUPPLY_ENERGY_FULL=36951000 POWER_SUPPLY_ENERGY_NOW=36951000 POWER_SUPPLY_CAPACITY=100 POWER_SUPPLY_CAPACITY_LEVEL=Full POWER_SUPPLY_MODEL_NAME=4400 POWER_SUPPLY_MANUFACTURER= Hewlett-Packard POWER_SUPPLY_SERIAL_NUMBER=...