battery.sh

#!/bin/bash

R="\033[0;41m  \033[m"
W="\033[0;47m  \033[m"
if $(which sleepenh >/dev/null 2>&1); then
    SLEEP='sleepenh'
else
    SLEEP='sleep'
fi

function were() {
echo -e "
                                      $R$R      $R$R   $R$R$R$R$R$R$E  $R$R           $R$R$R$R$R      $R$R$R$R$R$R$R
                                      $R$R      $R$R   $R$R$R$R$R$R$R  $R$R           $R$R$R$R$R$R    $R$R$R$R$R$R$R
                                      $R$R      $R$R   $R$R            $R$R           $R$R    $R$R    $R$R
                                      $R$R      $R$R   $R$R            $R$R           $R$R    $R$R    $R$R
                                      $R$R      $R$R   $R$R$R$R$R$R    $R$R           $R$R    $R$R    $R$R$R$R$R$R
                                      $R$R  $R  $R$R   $R$R$R$R$R$R    $R$R           $R$R$R$R$R$R    $R$R$R$R$R$R
                                      $R$R  $R  $R$R   $R$R                           $R$R$R$R        $R$R
                                      $R$R$R$R$R$R$R   $R$R                           $R$R  $R$R      $R$R
                                      $R$R$R$R$R$R$R   $R$R                           $R$R    $R$R    $R$R
                                      $R$R$R  $R$R$R   $R$R                           $R$R    $R$R    $R$R
                                      $R$R      $R$R   $R$R$R$R$R$R$R                 $R$R      $R$R  $R$R$R$R$R$R$R
                                      $R          $R   $R$R$R$R$R$R$R                 $R$R      $R$R  $R$R$R$R$R$R$R
"
}

function charging() {
echo -e "
                $R$R$R$R$R    $R$R    $R$R        $R$R$R      $R$R$R$R$R        $R$R$R$R$R$R   $R$R$R$R$R$R    $R$R    $R$R     $R$R$R$R$R$R
              $R$R$R$R$R$R$R  $R$R    $R$R      $R$R$R$R$R    $R$R$R$R$R$R    $R$R$R$R$R$R$R   $R$R$R$R$R$R    $R$R    $R$R   $R$R$R$R$R$R$R
              $R$R      $R$R  $R$R    $R$R    $R$R      $R$R  $R$R    $R$R    $R$R                 $R$R        $R$R$R  $R$R   $R$R
              $R$R      $R$R  $R$R    $R$R    $R$R      $R$R  $R$R    $R$R    $R$R  $R$R$R$R       $R$R        $R$R$R  $R$R   $R$R  $R$R$R$R
              $R$R            $R$R$R$R$R$R    $R$R      $R$R  $R$R    $R$R    $R$R  $R$R$R$R       $R$R        $R$R$R  $R$R   $R$R  $R$R$R$R
              $R$R            $R$R$R$R$R$R    $R$R      $R$R  $R$R$R$R$R$R    $R$R      $R$R       $R$R        $R$R$R$R$R$R   $R$R      $R$R
              $R$R            $R$R    $R$R    $R$R$R$R$R$R$R  $R$R$R$R        $R$R      $R$R       $R$R        $R$R$R$R$R$R   $R$R      $R$R
              $R$R            $R$R    $R$R    $R$R$R$R$R$R$R  $R$R  $R$R      $R$R      $R$R       $R$R        $R$R  $R$R$R   $R$R      $R$R
              $R$R      $R$R  $R$R    $R$R    $R$R      $R$R  $R$R    $R$R    $R$R      $R$R       $R$R        $R$R  $R$R$R   $R$R      $R$R
              $R$R      $R$R  $R$R    $R$R    $R$R      $R$R  $R$R    $R$R    $R$R      $R$R       $R$R        $R$R    $R$R   $R$R      $R$R
              $R$R$R$R$R$R$R  $R$R    $R$R    $R$R      $R$R  $R$R      $R$R  $R$R$R$R$R$R$R   $R$R$R$R$R$R    $R$R    $R$R   $R$R$R$R$R$R$R             
                $R$R$R$R$R    $R$R    $R$R    $R$R      $R$R  $R$R      $R$R    $R$R$R$R$R     $R$R$R$R$R$R    $R$R    $R$R     $R$R$R$R$R
"
}

function our() {
echo -e "
                                                        $R$R$R$R     $R$R      $R$R  $R$R$R$R$R
                                                      $R$R$R$R$R$R   $R$R      $R$R  $R$R$R$R$R$R
                                                      $R$R    $R$R   $R$R      $R$R  $R$R    $R$R                                                        
                                                      $R$R    $R$R   $R$R      $R$R  $R$R    $R$R
                                                      $R$R    $R$R   $R$R      $R$R  $R$R    $R$R
                                                      $R$R    $R$R   $R$R      $R$R  $R$R$R$R$R$R
                                                      $R$R    $R$R   $R$R      $R$R  $R$R$R$R
                                                      $R$R    $R$R   $R$R      $R$R  $R$R  $R$R
                                                      $R$R    $R$R   $R$R      $R$R  $R$R    $R$R
                                                      $R$R    $R$R   $R$R      $R$R  $R$R    $R$R
                                                      $R$R$R$R$R$R   $R$R$R$R$R$R$R  $R$R      $R$R
                                                        $R$R$R$R       $R$R$R$R$R    $R$R      $R$R
"
}

function battery() {
echo -e "
                         $W$W$W$W$W          $W$W$W      $W$W$W$W$W$W  $W$W$W$W$W$W  $W$W$W$W$W$W$W  $W$W$W$W$W     $W$W    $W$W
                         $W$W$W$W$W$W      $W$W$W$W$W    $W$W$W$W$W$W  $W$W$W$W$W$W  $W$W$W$W$W$W$W  $W$W$W$W$W$W   $W$W    $W$W
                         $W$W    $W$W    $W$W      $W$W      $W$W          $W$W      $W$W            $W$W    $W$W   $W$W    $W$W
                         $W$W    $W$W    $W$W      $W$W      $W$W          $W$W      $W$W            $W$W    $W$W   $W$W    $W$W
                         $W$W$W$W$W$W    $W$W      $W$W      $W$W          $W$W      $W$W$W$W$W$W    $W$W    $W$W     $W$W$W$W
                         $W$W$W$W$W      $W$W      $W$W      $W$W          $W$W      $W$W$W$W$W$W    $W$W$W$W$W$W     $W$W$W$W
                         $W$W    $W$W    $W$W$W$W$W$W$W      $W$W          $W$W      $W$W            $W$W$W$W           $W$W
                         $W$W    $W$W    $W$W$W$W$W$W$W      $W$W          $W$W      $W$W            $W$W  $W$W         $W$W
                         $W$W    $W$W    $W$W      $W$W      $W$W          $W$W      $W$W            $W$W    $W$W       $W$W
                         $W$W    $W$W    $W$W      $W$W      $W$W          $W$W      $W$W            $W$W    $W$W       $W$W
                         $W$W$W$W$W$W    $W$W      $W$W      $W$W          $W$W      $W$W$W$W$W$W$W  $W$W      $W$W     $W$W
                         $W$W$W$W$W      $W$W      $W$W      $W$W          $W$W      $W$W$W$W$W$W$W  $W$W      $W$W     $W$W                             
"
}

function and_now() {
echo -e "
                           $R$R$R       $R$R    $R$R   $R$R$R$R$R                    $R$R    $R$R      $R$R$R$R     $R$R      $R$R
                         $R$R$R$R$R     $R$R    $R$R   $R$R$R$R$R$R                  $R$R    $R$R    $R$R$R$R$R$R   $R$R      $R$R
                       $R$R      $R$R   $R$R$R  $R$R   $R$R  $R$R$R$R                $R$R$R  $R$R    $R$R    $R$R   $R$R      $R$R
                       $R$R      $R$R   $R$R$R  $R$R   $R$R    $R$R$R                $R$R$R  $R$R    $R$R    $R$R   $R$R      $R$R
                       $R$R      $R$R   $R$R$R  $R$R   $R$R      $R$R                $R$R$R  $R$R    $R$R    $R$R   $R$R      $R$R
                       $R$R      $R$R   $R$R$R$R$R$R   $R$R      $R$R                $R$R$R$R$R$R    $R$R    $R$R   $R$R  $R  $R$R
                       $R$R$R$R$R$R$R   $R$R$R$R$R$R   $R$R      $R$R                $R$R$R$R$R$R    $R$R    $R$R   $R$R  $R  $R$R
                       $R$R$R$R$R$R$R   $R$R  $R$R$R   $R$R      $R$R                $R$R  $R$R$R    $R$R    $R$R   $R$R$R$R$R$R$R
                       $R$R      $R$R   $R$R  $R$R$R   $R$R    $R$R$R                $R$R  $R$R$R    $R$R    $R$R   $R$R$R$R$R$R$R
                       $R$R      $R$R   $R$R    $R$R   $R$R  $R$R$R$R                $R$R    $R$R    $R$R    $R$R   $R$R$R  $R$R$R
                       $R$R      $R$R   $R$R    $R$R   $R$R$R$R$R$R                  $R$R    $R$R    $R$R$R$R$R$R   $R$R      $R$R
                       $R$R      $R$R   $R$R    $R$R   $R$R$R$R$R                    $R$R    $R$R      $R$R$R$R     $R          $R                             
"
}

function we_re_full() {
echo -e "
$R$R      $R$R  $R$R$R$R$R$R$R  $R$R         $R$R$R$R$R        $R$R$R$R$R$R$R              $R$R$R$R$R$R$R  $R$R      $R$R  $R$R            $R$R
$R$R      $R$R  $R$R$R$R$R$R$R  $R$R         $R$R$R$R$R$R      $R$R$R$R$R$R$R              $R$R$R$R$R$R$R  $R$R      $R$R  $R$R            $R$R
$R$R      $R$R  $R$R            $R$R         $R$R    $R$R      $R$R                        $R$R            $R$R      $R$R  $R$R            $R$R
$R$R      $R$R  $R$R            $R$R         $R$R    $R$R      $R$R                        $R$R            $R$R      $R$R  $R$R            $R$R
$R$R      $R$R  $R$R$R$R$R$R    $R$R         $R$R    $R$R      $R$R$R$R$R$R                $R$R$R$R$R$R    $R$R      $R$R  $R$R            $R$R
$R$R  $R  $R$R  $R$R$R$R$R$R    $R$R         $R$R$R$R$R$R      $R$R$R$R$R$R                $R$R$R$R$R$R    $R$R      $R$R  $R$R            $R$R
$R$R  $R  $R$R  $R$R                         $R$R$R$R$R        $R$R                        $R$R            $R$R      $R$R  $R$R            $R$R
$R$R$R$R$R$R$R  $R$R                         $R$R    $R$R      $R$R                        $R$R            $R$R      $R$R  $R$R            $R$R
$R$R$R$R$R$R$R  $R$R                         $R$R      $R$R    $R$R                        $R$R            $R$R      $R$R  $R$R            $R$R
$R$R$R  $R$R$R  $R$R                         $R$R      $R$R    $R$R                        $R$R            $R$R      $R$R  $R$R            $R$R
$R$R      $R$R  $R$R$R$R$R$R$R               $R$R        $R$R  $R$R$R$R$R$R$R              $R$R            $R$R$R$R$R$R$R  $R$R$R$R$R$R$R  $R$R$R$R$R$R$R
$R          $R  $R$R$R$R$R$R$R               $R$R        $R$R  $R$R$R$R$R$R$R              $R$R              $R$R$R$R$R    $R$R$R$R$R$R$R  $R$R$R$R$R$R$R
"
}

function of() {
echo -e "
                                                                $R$R$R$R     $R$R$R$R$R$R$R                                                              
                                                              $R$R$R$R$R$R   $R$R$R$R$R$R$R
                                                              $R$R    $R$R   $R$R
                                                              $R$R    $R$R   $R$R
                                                              $R$R    $R$R   $R$R$R$R$R$R
                                                              $R$R    $R$R   $R$R$R$R$R$R
                                                              $R$R    $R$R   $R$R
                                                              $R$R    $R$R   $R$R
                                                              $R$R    $R$R   $R$R
                                                              $R$R    $R$R   $R$R
                                                              $R$R$R$R$R$R   $R$R
                                                                $R$R$R$R     $R$R
"
}

function energy() {
echo -e "
                             $W$W$W$W$W$W$W   $W$W    $W$W   $W$W$W$W$W$W$W  $W$W$W$W$W          $W$W$W$W$W$W   $W$W    $W$W
                             $W$W$W$W$W$W$W   $W$W    $W$W   $W$W$W$W$W$W$W  $W$W$W$W$W$W      $W$W$W$W$W$W$W   $W$W    $W$W                             
                             $W$W             $W$W$W  $W$W   $W$W            $W$W    $W$W      $W$W             $W$W    $W$W
                             $W$W             $W$W$W  $W$W   $W$W            $W$W    $W$W      $W$W  $W$W$W$W   $W$W    $W$W
                             $W$W$W$W$W$W     $W$W$W  $W$W   $W$W$W$W$W$W    $W$W    $W$W      $W$W  $W$W$W$W     $W$W$W$W
                             $W$W$W$W$W$W     $W$W$W$W$W$W   $W$W$W$W$W$W    $W$W$W$W$W$W      $W$W      $W$W     $W$W$W$W
                             $W$W             $W$W$W$W$W$W   $W$W            $W$W$W$W$W        $W$W      $W$W       $W$W
                             $W$W             $W$W  $W$W$W   $W$W            $W$W    $W$W      $W$W      $W$W       $W$W
                             $W$W             $W$W  $W$W$W   $W$W            $W$W      $W$W    $W$W      $W$W       $W$W
                             $W$W             $W$W    $W$W   $W$W            $W$W      $W$W    $W$W      $W$W       $W$W
                             $W$W$W$W$W$W$W   $W$W    $W$W   $W$W$W$W$W$W$W  $W$W        $W$W  $W$W$W$W$W$W$W       $W$W
                             $W$W$W$W$W$W$W   $W$W    $W$W   $W$W$W$W$W$W$W  $W$W        $W$W    $W$W$W$W$W         $W$W
"
}

function print_battery() {
	battery
	${SLEEP} 0.8
	clear
	for ((i = 0; i < 4; i++)); do
		battery
		${SLEEP} 0.13 > /dev/null
		clear
		${SLEEP} 0.13 > /dev/null
	done
	for ((i = 0; i < 12; i++)); do
		battery
		${SLEEP} 0.02 > /dev/null
		clear
		${SLEEP} 0.02 > /dev/null
	done
	return;
}

function print_energy() {
	energy
	${SLEEP} 0.8
	clear
	for ((i = 0; i < 4; i++)); do
		energy
		${SLEEP} 0.13 > /dev/null
		clear
		${SLEEP} 0.13 > /dev/null
	done
	for ((i = 0; i < 12; i++)); do
		energy
		${SLEEP} 0.02 > /dev/null
		clear
		${SLEEP} 0.02 > /dev/null
	done
	return;
}

trap 'clear; tput cnorm;exit 1' SIGINT
tput civis # Macだと "tput vi" かも

clear
were; ${SLEEP} 0.1 > /dev/null; clear
charging; ${SLEEP} 0.58 > /dev/null; clear
our; ${SLEEP} 0.34 > /dev/null; clear
print_battery
clear
${SLEEP} 0.6 > /dev/null

and_now; ${SLEEP} 0.18 > /dev/null; clear
we_re_full; ${SLEEP} 0.58 > /dev/null; clear
of; ${SLEEP} 0.34 > /dev/null; clear
print_energy

${SLEEP} 0.42 > /dev/null
tput cnorm # Macだと "tput vs" かも

exit 0;

for ((i = 0; i < 12; i++)); do
    battery
    ${SLEEP} 0.02 > /dev/null
    clear
    ${SLEEP} 0.02 > /dev/null
done

を捌ききれず、最後に一回だけPONと出ます。
そっちの環境で処理できてますか？

確認してみました。
GNU screen上では希望通りに動きますが、素のxterm上ではどうしても遅延が出てしまうようです。