Instalation

Installing Simple Batch render is simple:
Download the file
Select: File → User Preferences ... → Add-ons from the menu
Click ‘Install from file …’ (at the bottom of the screen) and select the: zip file you just downloaded
Click ‘Install from file ...’ (at the top right of the screen)
Check the enable check box to the left of the add-on you just installed
The add-on will now be available in the Render tab at the bottom.

Installing an updated version of Simple Batch Render

If you want to replace a previous version of Simple Batch Render you have to remove the old version first. to do this, go to File → User preferences … → Add-ons and either search for IDMapper or go to the ‘Render’ category where it will be located. Click on the add-on and then on the ‘Remove’ button. after removing the old version follow the instructions above to install the new version.

How it works

For the addon to work the .blend file need to be saved. Also there must be a valid path to where blender is installed, as default the addon sets the path to the current blender running. The .bat file must have the extension .bat. There is not any default file name for the .bat file so you need to add this your self. For example add the file "Simple Batch Render.bat" to your desktop. 

Add all scenes in teh blend file – Adds all present scenes in the .blend file that is open*. Make sure you have differnt path for each scene while saving the output
(otherwise each scene will save over the past scene)
* Do not work with the option "add all blend files from selected folder"

Add render to queue – Adds current blend file to the queue

Add all scenes in the blende file – Make sure each scene saves it output in differnt folders otherwise it will write over already render pictures from another scene

Use Frame Range from Frame Range Settings – Like is says

Start frame – Sets the start frame to render [default is 0001]

End frame – Sets the end frame to render [default is 0001]
(If start frame and end frame is the same only this frame is rendered.)

Blender start path – Here is the path to where blender.exe is installed [default is the path to the current blender running]

Save bat file to – Where the .bat file is located 

Open file in Notepad – Here you can open the file in notepad and make changes or just look on what will be rendered.

Start Batch Render – Starts the .bat file and runs all job inside the file.

Start Render and shutdown – Starts the .bat file and after completed run of all the jobs it shuts down the computer.

Add all blend files from selected folder - Add all the .blend files from the selected folder and all of them will have the same start frame and end frame that is set above.  It is possible to change folder and add more and more blend files to the bat file. So now you can add blend files without opening them. If they don't have got the same start frame and end frame, you can change that by opening the text file. Just make sure that you change att the right places, since the start and end frame is writen out on two places

Use subfolders when using add from selected folder - If checked all blend files in the subfolders are added.

Start prefix - Add only if the blend files starts with this. Can be used togheter with "End prefix"

End prefix - Add only if the blend files ends with this. Can be used togheter with "Start prefix"

Remove all renders from queue – Removes all jobs in the queue 

The check box is moved to preferences
Add /d – Check this box if Blender is installed on a different location like a server

Updates

2017-08-03
The function "Remove all renders from queue" has been moved down. It was to easy to click on. 

2017-12-29
A new function called "Add all blend files from selected folder" was addeed

2019-02-13 
Updated to work with Blender 2.8

2020-06-21 
Added a check box if your Blender is installed on a server. Then you will get "/d" in the serach path so it works for that also

2020-09-28

The check box is moved to preferences
Add /d – Check this box if Blender is installed on a different location like a server

2022-10-28 
Added option to also add all differnt scenes from the .blend file, works with the one that is open.