First SolarFS-385
The First Solar FS-385 is a solar panel with peak power 85 Wp, efficiency 11.8 % and cell type thin film (CdTe).1
Key figures
Technical specifications
| General | |
|---|---|
| Cell type | Thin film (CdTe)1 |
| Cells (in series) | 771 |
| Performance | |
| Peak power | 85 Wp1 |
| PTC power rating | 80.8 W1 |
| Efficiency | |
| Efficiency | 11.8 %1 |
| Temperature coefficient Pmax | -0.23 %/°C1 |
| Nominal operating cell temperature (NOCT) | 44.9 °C1 |
| Electrical | |
| Open-circuit voltage (Voc) | 61 V1 |
| Short-circuit current (Isc) | 1.98 A1 |
| Voltage at Pmax (Vmp) | 48.5 V1 |
| Current at Pmax (Imp) | 1.76 A1 |
| Dimensions & weight | |
| Width | 600 mm1 |
| Height | 1,200 mm1 |
Frequently asked questions
What is the peak power of the First Solar FS-385?
The peak power of the First Solar FS-385 is 85 Wp.1
What is the efficiency of the First Solar FS-385?
The efficiency of the First Solar FS-385 is 11.8 %.1
Which cell type does the First Solar FS-385 use?
The cell type of the First Solar FS-385 is thin film (CdTe).1
What is the temperature coefficient Pmax of the First Solar FS-385?
The temperature coefficient Pmax of the First Solar FS-385 is -0.225 %/°C.1
Sources
- CEC Solar Equipment List – PV modules — California Energy Commission · accessed 27 Sept 2026