S SOLARSPECS
Qcells is a South Korean-German solar manufacturer known for its Q.ANTUM cell technology and strong presence in North America and Europe. Qcells's Q.PEAK DUO L-G6.3 420 leverages Monocrystalline technology to achieve 20.14% module efficiency and 420W maximum power. Key specs: Voc=48.9V, Isc=10.79A, Vmp=40.9V, Imp=10.27A. Warranty: 25 years.
🏭View all 710 Qcells models Brand range: 240W–675W
Monocrystalline

Qcells Q.PEAK DUO L-G6.3 420

Max Power
420W
Efficiency
20.14%
Operating V
40.9V
Warranty
25Y
Qcells Q.PEAK DUO L-G6.3 420 logo
Technical Specifications
Open Circuit Voltage (Voc)48.9V
Short Circuit Current (Isc)10.79A
Voltage at Pmax (Vmp)40.9V
Current at Pmax (Imp)10.27A
Temp. Coefficient of Pmax-0.359%/°C
Dimensions1855 x 1124 x 35 mm
Weight26.1kg
NOCT45.15°C
PTC Rating397.2W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 710 Qcells models in database

FAQ

How efficient is the Qcells Q.PEAK DUO L-G6.3 420?

This panel has 20.14% efficiency, which is above average for commercial solar panels.

What is the max power output of the Qcells Q.PEAK DUO L-G6.3 420?

The Qcells Q.PEAK DUO L-G6.3 420 is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).

What are the dimensions and weight of the Qcells Q.PEAK DUO L-G6.3 420?

It measures 1855 x 1124 x 35 mm and weighs 26.1kg.

How long is the warranty for the Qcells Q.PEAK DUO L-G6.3 420?

The Q.PEAK DUO L-G6.3 420 comes with a 25-year product warranty covering defects and degradation.

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📊 Brand Context

Qcells offers 710 solar panel models from 240W to 675W.

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