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Brand range: 240W–755W
Monocrystalline
SEG Solar SEG-640-BTC-BG
Max Power
640W
Efficiency
24.43%
Operating V
41.3V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 49.8V |
| Short Circuit Current (Isc) | 16.37A |
| Voltage at Pmax (Vmp) | 41.3V |
| Current at Pmax (Imp) | 15.48A |
| Temp. Coefficient of Pmax | -0.29%/°C |
| Dimensions | 2079 x 1260 x 35 mm |
| Weight | 32.7kg |
| NOCT | 43.2°C |
| PTC Rating | 614.8W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 490 SEG Solar models in database
FAQ
What is the max power output of the SEG Solar SEG-640-BTC-BG?
The SEG Solar SEG-640-BTC-BG is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the SEG Solar SEG-640-BTC-BG?
It measures 2079 x 1260 x 35 mm and weighs 32.7kg.
How efficient is the SEG Solar SEG-640-BTC-BG?
This panel has 24.43% efficiency, which is high for commercial solar panels.
How does temperature affect the SEG Solar SEG-640-BTC-BG?
With a temp coefficient of -0.29%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
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☀️ Top Performer
This SEG Solar model ranks among the brand's most efficient panels at 24.43%.
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