The sysfs equivalent of 'present rate' is current_now. Do you have a current_now file in /sys/class/power_supply/BAT0/ ? If so, does it contain an actual reading, or just always report zero?
The sysfs equivalent of 'present rate' is current_now. Do you have a current_now file in /sys/class/ power_supply/ BAT0/ ? If so, does it contain an actual reading, or just always report zero?