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Brand range: 205W–670W
Monocrystalline
GermanSolar USA Inc. GSM-305W
Max Power
305W
Efficiency
18.26%
Operating V
34.1V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 40.1V |
| Short Circuit Current (Isc) | 9.84A |
| Voltage at Pmax (Vmp) | 34.1V |
| Current at Pmax (Imp) | 8.94A |
| Temp. Coefficient of Pmax | -0.397%/°C |
| Dimensions | 1660 x 1006 x 35 mm |
| Weight | 20.9kg |
| NOCT | 43.8°C |
| PTC Rating | 288.0W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 151 GermanSolar USA Inc. models in database
FAQ
How long is the warranty for the GermanSolar USA Inc. GSM-305W?
The GSM-305W comes with a 25-year product warranty covering defects and degradation.
How efficient is the GermanSolar USA Inc. GSM-305W?
This panel has 18.26% efficiency, which is standard for commercial solar panels.
What is the max power output of the GermanSolar USA Inc. GSM-305W?
The GermanSolar USA Inc. GSM-305W is rated at 305W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the GermanSolar USA Inc. GSM-305W?
It measures 1660 x 1006 x 35 mm and weighs 20.9kg.
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📊 Brand Context
GermanSolar USA Inc. offers 151 solar panel models from 205W to 670W.
Browse all GermanSolar USA Inc. models →