I work for Smucker's Energy and we've created a solar kit that would include everything that you would need to put a light in your coup. The kit would come with the panel, controller, light, and a timer. You would be able to program the timer to come on whenever you would want your chickens to have light. This would all be in a durable metal box. The light is mounted on the door of the metal box so everything would be compact. The solar panel has a swiveling mount that could move 360 degrees so you could capture the sunlight no matter what direction your coup is facing. Installation would be a breeze. Mount your bracket on the roof of your coup, mount your box where ever you want it, run your wires, and your done. Very Simple. We can do anything custom too.
This isn't a for sale ad, rather a post that would get you thinking. Would this be something you would be interested in? Any feedback would be appreciated.