It’s reported that people at MiniWiz have created a useful little solar Bulb Lamp which will make use of the old plastic bottles.
There are 0.18W solar module cells that can give you some light .Take any plastic bottle and attach the fixture to the mouthpiece, and you will have up to 6 hours of illumination.
Because of a solar panel, it needs to be in the sun to charge up, and is best used for mood or garden light. It comes in a variety of colors.
