#! /bin/sh

capacity=$(cat /sys/class/power_supply/BAT0/charge_full)
voltage=$(cat /sys/class/power_supply/BAT0/voltage_now)
percent=$(cat /sys/class/power_supply/BAT0/capacity)
current=$(cat /sys/class/power_supply/BAT0/current_now)
cap_now=$(cat /sys/class/power_supply/BAT0/charge_now)
health="$(cat /sys/class/power_supply/BAT0/capacity_level)"
stats="$(cat /sys/class/power_supply/BAT0/status)"

printf "Capacity     : %.02f Ah\n" "$((capacity/1000))e-3"
printf "Status       : %s\n" "$health"
printf "Percentage   : %s\n" "$percent"
printf "State        : %s\n" "$stats"
printf "Capacity now : %.02f Ah\n" "$((cap_now/1000))e-3"
printf "Voltage now  : %.02f V\n" "$((voltage/1000))e-3"
printf "Current now  : %.02f A\n" "$((current/1000))e-3"
printf "Wattage now  : %.02f W\n" "$(((voltage*current)/1000000))e-6"