You can create an action to do it, but if you are just changing from Adobe RGB to sRGB you aren't doing your colors justice. You want to be CONVERTING.
Create an action that does ALL of the steps you repeat that are simple that you do at the end of your processing of every image. You can either assign a command key to it, you can press play, you can automate a batch and let the computer run through all of the images you want to change.
For example I have an action for all of my football images that applies my curve/pop, sharpens, saves as a full jpeg, resizes for web, watermarks and saves in a different file, then closes the image. I automate a batch, tell it to process the folder of images I am working on and I walk away.
If you are going to batch automate 16bit images you will need to check suppress file open dialog.
You will not have to assign a place to save the images to in the automate>batch dialog if you have included it and a close command in your action.
To create an action simply click on the drop down menu in the actions window (if you aren't using the actions you will have to go to window>actions) and click record new action. When you are done click the stop button at the bottom of the actions dialog window.
