Mid-Range★★★★4.4/5

Q Cells Solar Panels

4 panel models | Up to 21.8% efficiency | Germany/South Korea

21.8%

Top Efficiency

445W

Max Wattage

25yr

Performance Warranty

1999

Founded

About Q Cells

Q Cells (Hanwha Q Cells) is one of the largest solar panel manufacturers in the world, combining German engineering heritage with Korean manufacturing scale. Their Q.PEAK DUO line is among the most popular choices for residential installations in the US, offering strong performance at competitive prices.

Pros

Excellent price-to-performance ratio
German-engineered quality with large-scale production
Wide availability through extensive dealer network
US manufacturing facility in Dalton, Georgia

Cons

Not quite as efficient as premium tier brands
Standard warranty is shorter than some premium competitors
Brand perception sometimes confused with budget Chinese panels

Q Cells Solar Panel Models

Model	Wattage	Efficiency	Cell Type	Price/Watt	Warranty
Q.PEAK DUO ML-G11	430W	21.4%	Monocrystalline	$0.75-$1.10	25/25yr
Q.PEAK DUO BLK ML-G10+	395W	20.6%	Monocrystalline	$0.70-$1.05	25/25yr
Q.TRON BLK M-G11+	420W	21.8%	TOPCon	$0.80-$1.15	25/25yr
Q.PEAK DUO L-G8.4	445W	20.9%	Monocrystalline	$0.65-$0.95	12/25yr

Detailed Specifications

Q.PEAK DUO ML-G11

Wattage

430W

Efficiency

21.4%

Cell Technology

Monocrystalline

Dimensions

75.4 x 41.7 x 1.4 in

Weight

47.4 lbs

Temperature Coefficient

-0.34%/°C

Degradation Rate

0.35%/year

Product Warranty

25 years

Performance Warranty

25 years

Q.PEAK DUO BLK ML-G10+

Wattage

395W

Efficiency

20.6%

Cell Technology

Monocrystalline

Dimensions

74.8 x 41.1 x 1.3 in

Weight

45.4 lbs

Temperature Coefficient

-0.34%/°C

Degradation Rate

0.35%/year

Product Warranty

25 years

Performance Warranty

25 years

Q.TRON BLK M-G11+

Wattage

420W

Efficiency

21.8%

Cell Technology

TOPCon

Dimensions

75.0 x 41.7 x 1.4 in

Weight

46.5 lbs

Temperature Coefficient

-0.3%/°C

Degradation Rate

0.3%/year

Product Warranty

25 years

Performance Warranty

25 years

Q.PEAK DUO L-G8.4

Wattage

445W

Efficiency

20.9%

Cell Technology

Monocrystalline

Dimensions

82.6 x 41.7 x 1.4 in

Weight

52.9 lbs

Temperature Coefficient

-0.35%/°C

Degradation Rate

0.4%/year

Product Warranty

12 years

Performance Warranty

25 years

Q Cells Solar Panels FAQ

Q Cells is a mid-range-tier solar panel manufacturer headquartered in Germany/South Korea, rated 4.4/5 by industry experts. Their panels offer up to 21.8% efficiency with 25-year performance warranties. Excellent price-to-performance ratio.

Q Cells solar panels range from $0.65 to $1.10 per watt. For a typical 6kW system, that's approximately $4,500 to $6,600 before the 30% federal tax credit.

The most efficient Q Cells panel is the Q.TRON BLK M-G11+ at 21.8% efficiency and 445W. Higher efficiency panels are ideal for homes with limited roof space.

Q Cells offers 25-year product warranties and 25-year performance warranties on their solar panels. The performance warranty guarantees at least 92.5% output after 25 years.