/sys/class/power_supply/
/sys/class/power_supply/BAT0
/sys/class/power_supply/BAT0/uevent
/sys/class/power_supply/BAT0/subsystem
/sys/class/power_supply/BAT0/device
/sys/class/power_supply/BAT0/power
/sys/class/power_supply/BAT0/power/wakeup
/sys/class/power_supply/BAT0/type
/sys/class/power_supply/BAT0/status
/sys/class/power_supply/BAT0/present
/sys/class/power_supply/BAT0/technology
/sys/class/power_supply/BAT0/voltage_min_design
/sys/class/power_supply/BAT0/voltage_now
/sys/class/power_supply/BAT0/current_now
/sys/class/power_supply/BAT0/charge_full_design
/sys/class/power_supply/BAT0/charge_full
/sys/class/power_supply/BAT0/charge_now
/sys/class/power_supply/BAT0/model_name
/sys/class/power_supply/BAT0/manufacturer
/sys/class/power_supply/BAT0/serial_number
/sys/class/power_supply/BAT0/alarm
/sys/class/power_supply/AC
/sys/class/power_supply/AC/uevent
/sys/class/power_supply/AC/subsystem
/sys/class/power_supply/AC/device
/sys/class/power_supply/AC/power
/sys/class/power_supply/AC/power/wakeup
/sys/class/power_supply/AC/type
/sys/class/power_supply/AC/online