/sys/class/power_supply/ACAD: POWER_SUPPLY_NAME=ACAD POWER_SUPPLY_ONLINE=1 /sys/class/power_supply/BAT0: POWER_SUPPLY_NAME=BAT0 POWER_SUPPLY_STATUS=Charging POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=NiMH POWER_SUPPLY_CYCLE_COUNT=0 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=11100000 POWER_SUPPLY_VOLTAGE_NOW=12183000 POWER_SUPPLY_CHARGE_FULL_DESIGN=4400000 POWER_SUPPLY_CHARGE_FULL=4224000 POWER_SUPPLY_CHARGE_NOW=0 POWER_SUPPLY_CAPACITY=0 POWER_SUPPLY_CAPACITY_LEVEL=Normal POWER_SUPPLY_MODEL_NAME=Primary POWER_SUPPLY_MANUFACTURER=Hewlett-Packard POWER_SUPPLY_SERIAL_NUMBER=... 37DA8F41C55E5852A5192AB323452BEA POWER_SUPPLY_NAME=hidpp_battery_0 POWER_SUPPLY_ONLINE=1 POWER_SUPPLY_STATUS=Discharging POWER_SUPPLY_SCOPE=Device POWER_SUPPLY_MODEL_NAME=Wireless Touch Keyboard K400 Plus POWER_SUPPLY_MANUFACTURER=Logitech POWER_SUPPLY_SERIAL_NUMBER=... POWER_SUPPLY_CAPACITY_LEVEL=Normal