/sys/class/power_supply/ADP1: POWER_SUPPLY_NAME=ADP1 POWER_SUPPLY_TYPE=Mains POWER_SUPPLY_ONLINE=1 /sys/class/power_supply/hid-F0T54260CTKGD67A5-battery: POWER_SUPPLY_NAME=hid-F0T54260CTKGD67A5-battery POWER_SUPPLY_TYPE=Battery POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_ONLINE=1 POWER_SUPPLY_CAPACITY=100 POWER_SUPPLY_MODEL_NAME=Apple Inc. Magic Keyboard POWER_SUPPLY_STATUS=Discharging POWER_SUPPLY_SCOPE=Device