$ grep -r . /sys/class/power_supply/*hid*
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/type:Battery                                                                                                                                         
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/control:auto
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/async:disabled
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/runtime_enabled:disabled
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/runtime_active_kids:0
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/runtime_active_time:0
grep: /sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/autosuspend_delay_ms: Input/output error
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/runtime_status:unsupported
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/runtime_usage:0
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/power/runtime_suspended_time:0
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/scope:Device
grep: /sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/capacity: Input/output error
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/online:1
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/status:Discharging
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/model_name:“$4”的鍵盤
/sys/class/power_supply/hid-10:9A:DD:96:DA:0D-battery/present:1
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/type:Battery
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/control:auto
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/async:disabled
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/runtime_enabled:disabled
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/runtime_active_kids:0
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/runtime_active_time:0
grep: /sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/autosuspend_delay_ms: Input/output error
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/runtime_status:unsupported
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/runtime_usage:0
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/power/runtime_suspended_time:0
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/scope:Device
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/capacity:61
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/online:1
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/status:Discharging
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/uevent:POWER_SUPPLY_NAME=hid-28:CF:DA:BB:74:1B-battery
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/uevent:POWER_SUPPLY_PRESENT=1
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/uevent:POWER_SUPPLY_ONLINE=1
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/uevent:POWER_SUPPLY_CAPACITY=61
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/uevent:POWER_SUPPLY_MODEL_NAME=“$4”的滑鼠
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/uevent:POWER_SUPPLY_STATUS=Discharging
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/uevent:POWER_SUPPLY_SCOPE=Device
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/model_name:“$4”的滑鼠
/sys/class/power_supply/hid-28:CF:DA:BB:74:1B-battery/present:1