1. mohammad Efazati
  2. battery_checker

Overview

HTTPS SSH
its small script to check /sys/class/power_supply/BAT to find your battery status and then with notify-send alarm you to charge or your battery is good

so at first install libnotify-bin

in debian like its kind of

apt-get install libnotify-bin

then run charge.sh 
don't forget to check your acpi address and also install acpi :D