S SOLARSPECS
Qcells's Q.PEAK DUO ML-G12S.7/BFG 665 leverages Monocrystalline technology to achieve 21.95% module efficiency and 665W maximum power. Key specs: Voc=45.7V, Isc=18.39A, Vmp=38.1V, Imp=17.45A. Warranty: 30 years.
🏭View all 710 Qcells models Brand range: 240W–675W
Monocrystalline

Qcells Q.PEAK DUO ML-G12S.7/BFG 665

Max Power
665W
Efficiency
21.95%
Operating V
38.1V
Warranty
30Y
Qcells Q.PEAK DUO ML-G12S.7/BFG 665 logo
Technical Specifications
Open Circuit Voltage (Voc)45.7V
Short Circuit Current (Isc)18.39A
Voltage at Pmax (Vmp)38.1V
Current at Pmax (Imp)17.45A
Temp. Coefficient of Pmax-0.324%/°C
Dimensions2236 x 1355 x 35 mm
Weight37.9kg
NOCT46.28°C
PTC Rating630.5W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 710 Qcells models in database

FAQ

What is the max power output of the Qcells Q.PEAK DUO ML-G12S.7/BFG 665?

The Qcells Q.PEAK DUO ML-G12S.7/BFG 665 is rated at 665W under STC (1000 W/m², 25°C, AM 1.5).

What are the dimensions and weight of the Qcells Q.PEAK DUO ML-G12S.7/BFG 665?

It measures 2236 x 1355 x 35 mm and weighs 37.9kg.

What warranty does Qcells provide?

Qcells offers a 30-year warranty for the Q.PEAK DUO ML-G12S.7/BFG 665, reflecting confidence in long-term durability.

How efficient is the Qcells Q.PEAK DUO ML-G12S.7/BFG 665?

This panel has 21.95% efficiency, which is high for commercial solar panels.

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