Electrical shuts down

This sounds like the battery has shorted out and needs to be replaced.

Here are a couple of guides to help us find and fix the problem:

You can test the battery with no tools by doing this.

https://www.2carpros.com/articles/car-battery-load-test

and replace it.

https://www.2carpros.com/articles/how-to-replace-a-car-battery

Please let us know what you find.

Cheers, Ken