Several solar cell donated by Heart of the Sun Solar
| Company | Siemens |
| Year | 1998 |
| Cell Type | Monocrystalline |
| Part No. | PowerMax Round |
| Primary Use | Residential, |
| Materials | mono-crystalline silicon |
| Open-Circuit Voltage (Voc) | 0.5 V |
| Acquisition | Donated |
| Part No. | PowerMax Round |
| Primary Use | Residential, |
| Materials | mono-crystalline silicon |
| Open-Circuit Voltage (Voc) | 0.5 V |
| Acquisition | Donated |