| Variables and Constants | Defined Values |
| Number of cells in the stack | 72 |
| Active area of electrolyte membrane | 80 cm2 |
| Water content in electrolyte membrane (λ) | 7 |
| Membrane thickness (L) | 25 × 10−4 cm |
| Maximum current density (im) | 500 mA/cm2 |
| Maximum output voltage | 43.2 V at 24 A |
| Maximum stack operating temperature | 65˚C |
| Temperature of supply air and hydrogen | Room temperature |
| Ambient pressure | 101.325 kPa |
| Ambient air density | 1.225 kg/m3 |
| Pressure of supply Hydrogen | 55 kPa |
| Density of supply Hydrogen | 0.899 m3 |