Simple 7-Zip based backup script

Backup.bat

@echo off

REM # Send To Backup Script
REM # Author - Matt Little (http://matthewjlittle.com)
REM #          Adam Caudill (http://adamcaudill.com)
REM # 
REM # To install:
REM # 
REM # (windows 7): 
REM # Goto Start->Run.  Type in shell:sendto
REM # Save as Backup.bat 
REM # 
REM # To use:
REM #  right click on the folder you want to backup and click on the batch file
REM #  in the sendto menu.
REM # 
REM # Example:
REM # 
REM # If you are in this folder and run the script on Production folder a
REM #  backup of the folder is placed in 
REM #  X:\App\Prod\Backups\Prod.YYYY.MM.DD.HHMI.zip
REM # 

set year=%date:~-4,4%
set month=%date:~-10,2%
set day=%date:~-7,2%
set hour=%time:~-11,2%
set hour=%hour: =0%
set min=%time:~-8,2%

set zipfilename=%~n1.%year%.%month%.%day%.%hour%%min%.zip
set destination=%~dp1

set source="%~1\*"
set dest="%destination%Backups\%zipfilename%"

set AppExePath="%ProgramFiles(x86)%\7-Zip\7z.exe"
if not exist %AppExePath% set AppExePath="%ProgramFiles%\7-Zip\7z.exe"

if not exist %AppExePath% goto notInstalled

echo Backing up %source% to %dest%

%AppExePath% a -rtzip %dest% %source%

echo %source% backed up to %dest% is complete!

goto end

:notInstalled

echo Can not find 7-Zip, please install it from:
echo  http://7-zip.org/

:end
PAUSE