A look at a simple wiring loom for adding into props associated with a TV or film production.
The time I got for this was a bit too low to use custom ordered materials, and that made the circuitry and assembly just a little bit more complicated. But the end result is what was requested.
https://www.youtube.com/watch?v=JvFZa_aKuPk
The original considerations were a microcontroller based LED controller for emulating the different levels of charge status.