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Brand range: 205W–670W
Monocrystalline
GermanSolar USA Inc. GSM-640W-H
Max Power
640W
Efficiency
21.99%
Operating V
37.5V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 44.9V |
| Short Circuit Current (Isc) | 18.31A |
| Voltage at Pmax (Vmp) | 37.5V |
| Current at Pmax (Imp) | 17.07A |
| Temp. Coefficient of Pmax | -0.321%/°C |
| Dimensions | 2191 x 1328 x 35 mm |
| Weight | 36.4kg |
| NOCT | 43.2°C |
| PTC Rating | 612.1W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 151 GermanSolar USA Inc. models in database
FAQ
How efficient is the GermanSolar USA Inc. GSM-640W-H?
This panel has 21.99% efficiency, which is high for commercial solar panels.
What is the max power output of the GermanSolar USA Inc. GSM-640W-H?
The GermanSolar USA Inc. GSM-640W-H is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the GermanSolar USA Inc. GSM-640W-H?
It measures 2191 x 1328 x 35 mm and weighs 36.4kg.
What warranty does GermanSolar USA Inc. provide?
GermanSolar USA Inc. offers a 30-year warranty for the GSM-640W-H, reflecting confidence in long-term durability.
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At 640W, this is one of GermanSolar USA Inc.'s most powerful panels.
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