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Brand range: 240W–675W
Monocrystalline
Qcells Q.TRON XL-G2.3/BFG 640
Max Power
640W
Efficiency
23.62%
Operating V
48.3V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 57.6V |
| Short Circuit Current (Isc) | 13.99A |
| Voltage at Pmax (Vmp) | 48.3V |
| Current at Pmax (Imp) | 13.26A |
| Temp. Coefficient of Pmax | -0.288%/°C |
| Dimensions | 2115 x 1282 x 35 mm |
| Weight | 33.9kg |
| NOCT | 47.34°C |
| PTC Rating | 608.9W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 710 Qcells models in database
FAQ
What warranty does Qcells provide?
Qcells offers a 30-year warranty for the Q.TRON XL-G2.3/BFG 640, reflecting confidence in long-term durability.
How does temperature affect the Qcells Q.TRON XL-G2.3/BFG 640?
With a temp coefficient of -0.288%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
What is the max power output of the Qcells Q.TRON XL-G2.3/BFG 640?
The Qcells Q.TRON XL-G2.3/BFG 640 is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the Qcells Q.TRON XL-G2.3/BFG 640?
It measures 2115 x 1282 x 35 mm and weighs 33.9kg.
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☀️ Top Performer
This Qcells model ranks among the brand's most efficient panels at 23.62%.
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