/sys/class/power_supply/AC: POWER_SUPPLY_NAME=AC POWER_SUPPLY_ONLINE=0 /sys/class/power_supply/BAT0: POWER_SUPPLY_NAME=BAT0 POWER_SUPPLY_STATUS=Discharging POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=Unknown POWER_SUPPLY_CYCLE_COUNT=0 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10800000 POWER_SUPPLY_VOLTAGE_NOW=11271000 POWER_SUPPLY_POWER_NOW=25261000 POWER_SUPPLY_ENERGY_FULL_DESIGN=47520000 POWER_SUPPLY_ENERGY_FULL=47520000 POWER_SUPPLY_ENERGY_NOW=34215000 POWER_SUPPLY_CAPACITY=72 POWER_SUPPLY_CAPACITY_LEVEL=Normal POWER_SUPPLY_MODEL_NAME=4400 POWER_SUPPLY_MANUFACTURER= Hewlett-Packard POWER_SUPPLY_SERIAL_NUMBER=...