battery-nfo.md

battery nfo

file	description	mu
/sys/class/power_supply/BAT0/capacity	residual capacity	%
/sys/class/power_supply/BAT0/energy_now	residual capacity	μWh
/sys/class/power_supply/BAT0/status	battery activity	Charging,Discharging
/sys/class/power_supply/BAT0/power_now	current	μW

• example 1

devel0@nb-pro:~/opensource/knowledge$ cat /sys/class/power_supply/BAT0/{capacity,energy_now,status,power_now}
46
16923000
Discharging
7419000

battery capacity is 46% ( 16.923Wh ) and discharging with 7.419W

• example 2

devel0@nb-pro:~/opensource/knowledge$ cat /sys/class/power_supply/BAT0/{capacity,energy_now,status,power_now}
46
16772000
Charging
26287000

battery capacity is 46% ( 16.772Wh ) and charging with 26.287W