The Solar Energizer Necklace was patented in 1977 by Leon Halfon as a therapeutic adornment. The necklace provided the wearer with electrical energy supplied by the solar cell, which would output roughly 0.5 volts from the metallic chain.
| Company | Institute of Bioelectronics |
| Year | 1977 |
| Cell Type | Monocrystalline, Product |
| Part No. | Solar Energizer |
| Primary Use | Consumer, |
| Open-Circuit Voltage (Voc) | .5 |
| Acquisition | Purchased |
