S SOLARSPECS
The CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. FE66-18X+(ND)-640 (640W, 23.88%) is a Monocrystalline photovoltaic module. Electrical: Voc 49.9V, Isc 16.33A, Vmp 41.5V, Imp 15.43A. Temp coeff -0.294%/°C.
🏭View all 19 CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. models Brand range: 560W–645W
Monocrystalline

CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. FE66-18X+(ND)-640

Max Power
640W
Efficiency
23.88%
Operating V
41.5V
Warranty
30Y
CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. FE66-18X+(ND)-640 logo
Technical Specifications
Open Circuit Voltage (Voc)49.9V
Short Circuit Current (Isc)16.33A
Voltage at Pmax (Vmp)41.5V
Current at Pmax (Imp)15.43A
Temp. Coefficient of Pmax-0.294%/°C
Dimensions2103 x 1274 x 35 mm
Weight33.5kg
NOCT45.38°C
PTC Rating611.2W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 19 CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. models in database

FAQ

What is the max power output of the CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. FE66-18X+(ND)-640?

The CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. FE66-18X+(ND)-640 is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).

What warranty does CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. provide?

CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. offers a 30-year warranty for the FE66-18X+(ND)-640, reflecting confidence in long-term durability.

How does temperature affect the CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. FE66-18X+(ND)-640?

With a temp coefficient of -0.294%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.

How efficient is the CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. FE66-18X+(ND)-640?

This panel has 23.88% efficiency, which is high for commercial solar panels.

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This CHEN GUNES ENERJISI SANAYI VE TICARET LIMITED SIRKETI. model ranks among the brand's most efficient panels at 23.88%.

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