#!/bin/sh
VOLTAGE=$(cat /sys/class/power_supply/BAT1/voltage_now)
CURRENT=$(cat /sys/class/power_supply/BAT1/current_now)
POWER="$(echo "scale=2; $VOLTAGE*$CURRENT/1000000000000" | bc)W"
CHARGE="$(cat /sys/class/power_supply/BAT*/capacity)%"
echo "$CHARGE $POWER"
#echo $POWER >> .power_log