| Company | Siemens |
| Year | 1990 |
| Cell Type | Monocrystalline |
| Part No. | PowerMax Round |
| Primary Use | Residential, |
| Materials | mono-crystalline silicon |
| Voltage | 0.5 V |
| Acquired | Purchased |
Specimen 571PowerMax Round
| Company | Siemens |
| Year | 1990 |
| Cell Type | Monocrystalline |
| Part No. | PowerMax Round |
| Primary Use | Residential, |
| Materials | mono-crystalline silicon |
| Voltage | 0.5 V |
| Acquired | Purchased |
