The Bell Labs Solar Generator was used as a salesman sample to showcase the potential for solar batteries. This device produces a oscillating buzzing sound when exposed to sunlight that still works today!
| Company | Bell Labs |
| Year | 1954 |
| Cell Type | Monocrystalline |
| Part No. | Bell Labs Solar Generator |
| Primary Use | Experimental, |
| Materials | silicon, plastic |
| Efficiency | 6% |
| Acquisition | Purchased |
