/sys/class/power_supply/AC: POWER_SUPPLY_NAME=AC POWER_SUPPLY_TYPE=Mains POWER_SUPPLY_ONLINE=0 /sys/class/power_supply/BAT0: POWER_SUPPLY_NAME=BAT0 POWER_SUPPLY_TYPE=Battery POWER_SUPPLY_STATUS=Discharging POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=Li-ion POWER_SUPPLY_CYCLE_COUNT=131 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=11400000 POWER_SUPPLY_VOLTAGE_NOW=11362000 POWER_SUPPLY_CHARGE_FULL_DESIGN=4212000 POWER_SUPPLY_CHARGE_FULL=4088000 POWER_SUPPLY_CHARGE_NOW=2072000 POWER_SUPPLY_CAPACITY=50 POWER_SUPPLY_CAPACITY_LEVEL=Normal POWER_SUPPLY_MODEL_NAME=Primary POWER_SUPPLY_MANUFACTURER=Hewlett-Packard POWER_SUPPLY_SERIAL_NUMBER=... /sys/class/power_supply/hid-0018:04F3:2C92.0001-battery: POWER_SUPPLY_NAME=hid-0018:04F3:2C92.0001-battery POWER_SUPPLY_TYPE=Battery POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_ONLINE=1 POWER_SUPPLY_CAPACITY=0 POWER_SUPPLY_MODEL_NAME=ELAN1001:00 04F3:2C92 POWER_SUPPLY_STATUS=Unknown POWER_SUPPLY_SCOPE=Device