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Brand range: 205W–670W
Monocrystalline
GermanSolar USA Inc. GSM-665W-H
Max Power
665W
Efficiency
22.85%
Operating V
38.5V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 45.6V |
| Short Circuit Current (Isc) | 18.51A |
| Voltage at Pmax (Vmp) | 38.5V |
| Current at Pmax (Imp) | 17.28A |
| Temp. Coefficient of Pmax | -0.321%/°C |
| Dimensions | 2191 x 1328 x 35 mm |
| Weight | 36.4kg |
| NOCT | 43.2°C |
| PTC Rating | 636.0W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 151 GermanSolar USA Inc. models in database
FAQ
What warranty does GermanSolar USA Inc. provide?
GermanSolar USA Inc. offers a 30-year warranty for the GSM-665W-H, reflecting confidence in long-term durability.
How efficient is the GermanSolar USA Inc. GSM-665W-H?
This panel has 22.85% efficiency, which is high for commercial solar panels.
What is the max power output of the GermanSolar USA Inc. GSM-665W-H?
The GermanSolar USA Inc. GSM-665W-H is rated at 665W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the GermanSolar USA Inc. GSM-665W-H?
It measures 2191 x 1328 x 35 mm and weighs 36.4kg.
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At 665W, this is one of GermanSolar USA Inc.'s most powerful panels.
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