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Q-Cells Q.PEAK DUO BLK ML-G10+ 405
Q-Cells Brand review

Q.PEAK DUO BLK ML-G10+ 405

405 Wp PERC
ComparePV verdict

Strong in heat, no clear weak spot

Rank 10,619 of 14,129
Compare panels Datasheet PDF
Power (Wp)
405
Typical for its class
Efficiency (%)
20.60
Typical · median 20.60%
Density (Wp/m²)
206.3
Typical · median 206.2
Temp (%/°C)
-0.340
Strong · top 24%
Weight (kg)
22.0
Typical · median 22.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

The Q-Cells Q.PEAK DUO BLK ML-G10+ series are modules designed to extract maximum energy from limited rooftop space, without compromising on durability and aesthetics. The applied cell arrangement in Q.ANTUM DUO Z (zero gap) technology minimizes losses resulting from the "dead space" between cells, translating to a truly better light utilization. The structure based on half-cell monocrystalline cells improves performance under partial shading and reduces the risk of yield drops in typical urban conditions.

In practice, these panels are an excellent choice for investors seeking stable yields over years - supported by security packages, including Anti-LID, Anti-PID, and Hot-Spot Protect, and traceability thanks to Tra.Q. The series also stands out for quality assurance through rigorous external testing (Quality Controlled PV). This solution is particularly suited for single-family homes, where high efficiency, an elegant "all-black" appearance, and resilience to weather caprices are key.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.60% 20.60% Typical 11,172
Power density 206.3 206.2 Typical 11,147
Temperature coefficient -0.340 -0.350 Strong · top 24% 8,846
Weight per kWp 54.3 53.0 Typical 8,666
Performance warranty 25 yrs 25 yrs Typical 9,912
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Price offers

1 from shops we track
Shop Country Price Per kWp Stock Offer updated
store.solarcellzusa.com United States 283.50 $ net 700 $/kWp In stock 17h ago Visit shop

Signals from the data

6 positive · 3 caution
Best for

Residential and shaded-installations.

Strengths
-0.340 %/°C temperature coefficient

Top 24% of the PERC 400-450 W segment, against a median of -0.350.

What owners get
Zero-gap Q.ANTUM DUO Z with half-cut cells

The half-cut monocrystalline cell layout with zero gap between cells reduces optical losses and improves performance under partial shading, delivering higher real-world energy yield from limited roof area than conventional full-cell modules.

Up to 21.4% efficiency within the PERC segment

Efficiency of 20.1-21.4% is close to the best PERC modules on the market (GCL GCL-M10/54H at 21.5%, RedSolar P series at 21.52%), meaning that at 395-420 Wp the panel does not fall significantly behind competitors despite using older cell technology.

Full quality protection package

Anti-LID, Anti-PID, and Hot-Spot Protect limit power degradation under typical operating conditions, while the Tra.Q traceability system ensures cell traceability through the manufacturing chain - valuable for quality audits in commercial projects.

25-year product and linear power warranty

The manufacturer guarantees 25 years on the product plus at least 86% of nominal power after 25 years - a strong tier-1 standard, still well above the typical 10-12 year warranties offered by non-tier-1 manufacturers.

Tier-1, bankable manufacturer

Q-Cells (Hanwha, South Korea, founded 1999) is classified as tier-1 bankable, which eases project financing through banks and lessors and provides greater confidence in warranty servicing compared to lesser-known brands among the peer comparables.

Trade-offs
Production discontinued (2023)

The series was manufactured from 2022 to 2023 and has since been discontinued in favor of newer lineups (including the N-type-based Q.TRON series). This limits availability of identical modules for future system expansions and may complicate warranty claim fulfillment over time.

Efficiency below peer comparables

Maximum efficiency of 21.4% trails competing PERC/N-type series: GCL-M10/54H (21.5%), RedSolar P series (21.52%), and Jinko JS-PERC (21.7%), all at the same 420 Wp maximum power - meaning slightly more mounting area is needed to reach the same installed capacity.

PERC technology, not N-type

PERC cells exhibit higher LID/LeTID degradation rates and weaker high-temperature performance than newer N-type cells (TOPCon/HJT), which now dominate the premium segment - this can translate into a slightly lower annual yield in warmer climates compared to the newest technologies.

Notes from the database
  • At 20.6% efficiency, this panel is on par with typical PERC 400-450W modules
  • At 206.3 W/m² power density, roof space requirements are typical for PERC 400-450W panels
  • At -0.34%/°C, hot weather performance is typical for PERC 400-450W panels
  • In the top 79% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 405 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.60 % Typical Segment median 20.60%
Vmpp · Impp 37.39 V · 10.83 A Operating point at max power
Voc · Isc 45.34 V · 11.17 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1879×1045×32 mm · 1.96 m² of roof
Weight 22.0 kg Typical Typical · median 22.0 kg
Cells 132 · PERC Monocrystalline
Coefficient Pmax -0.340 %/°C Strong top 24% of its segment
Coefficient Voc · Isc -0.270 · 0.040 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 86.0 % Equals 338 W guaranteed
Degradation 2.00 → 0.50 % First year, then annual

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.340 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Q-Cells Q.PEAK DUO BLK ML-G10+ 405 405 W 20.60% -0.340 22.0 kg You are here
AIKO-455-MAH54Db 455 W 23.30% -0.260 24.0 kg +50 W, cooler, +2.7 pp
LR5-54HTH-455M 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.7 pp
YL455CF54 e/2 455 W 23.30% -0.290 20.3 kg +50 W, cooler, +2.7 pp
ESM-455T 455 W 23.30% -0.310 21.0 kg +50 W, +2.7 pp, +5 yr warranty
SE5-54HBC-455W 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.7 pp
JST-EDMH-(445-465)W-TD (455W class) 455 W 23.30% -0.300 20.5 kg +50 W, +2.7 pp, +5 yr warranty
LX-455M/182R-96+ GG 455 W 23.30% -0.260 23.5 kg +50 W, cooler, +2.7 pp
Q.PEAK DUO BLK ML-G10+ 385 385 W 19.60% -0.340 22.0 kg -20 W, -1.0 pp
Q.PEAK DUO BLK ML-G10+ 390 390 W 19.90% -0.340 22.0 kg -15 W, -0.7 pp
Q.PEAK DUO BLK ML-G10.a+ 395 395 W 20.10% -0.340 22.0 kg -10 W, -0.5 pp
Q.PEAK DUO BLK ML-G10.a+ 400 400 W 20.40% -0.340 22.0 kg -0.2 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +105 W, cooler, +4.4 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +100 W, cooler, +4.1 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg +100 W, cooler, +4.1 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +95 W, cooler, +3.9 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +95 W, cooler, +3.9 pp

Found 18 panels of the same or similar size to this one, within ±10 mm. See them here Found 55 panels of the same or similar size to this one, within ±25 mm. See them here Found 105 panels of the same or similar size to this one, within ±50 mm. See them here Found 1934 panels of the same or similar size to this one, within ±100 mm. See them here

About the Q.PEAK DUO BLK ML-G10+ SERIES series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What warranty does the Q-Cells Q.PEAK DUO BLK ML-G10+ series come with?
The Q.PEAK DUO BLK ML-G10+ series includes a 25-year product warranty and a 25-year linear power output warranty. The warranty guarantees at least 98% of nominal power in the first year, followed by a maximum annual degradation of 0.5%, ensuring no less than 86% of rated output after 25 years. Coverage applies to modules purchased through an authorized Hanwha Q Cells distributor.
What is Q.ANTUM DUO Z technology and why does it matter for this series?
Q.ANTUM DUO Z is Q-Cells' proprietary cell architecture combining a PERC structure with half-cut cells and a zero-gap layout that eliminates inactive spacing between cells. This maximizes active surface area, pushing module efficiency up to 21.1%. The design is especially beneficial under diffuse irradiance conditions, delivering more consistent energy yield on overcast days.
Do the Q.PEAK DUO BLK ML-G10+ 415W panels perform well under partial shading?
Yes. The half-cut cell design splits the 132-cell module into two independent electrical strings, limiting shading losses to only the affected section rather than the whole module. This is a practical advantage for residential roofs with chimneys, dormers, or antennas. The built-in Hot-Spot Protect feature further reduces the risk of hot-spot formation in shaded cells.
How do the Q.PEAK DUO BLK ML-G10+ panels look and are they suitable for dark-colored roofs?
This series features a fully all-black design with a black anodized aluminum frame and black backsheet, making it an ideal aesthetic match for dark tile or metal roofs where conventional silver-framed panels would stand out. At 415 Wp, the module fits within standard residential mounting systems without requiring special racking hardware.
Is the Q.PEAK DUO BLK ML-G10+ series still available for purchase?
The Q.PEAK DUO BLK ML-G10+ series has been discontinued by Hanwha Q Cells and is no longer in active production. Limited stock may still be available through some distributors as remaining inventory. Buyers looking for a current equivalent should consider newer Q-Cells series such as the Q.PEAK DUO ML-G11 or Q.TRON, which offer higher efficiency ratings and full manufacturer support.
How do Q.PEAK DUO BLK ML-G10+ modules hold up under extreme weather conditions?
The module frame is certified to withstand snow loads of up to 5400 Pa and wind loads of up to 4000 Pa, meeting requirements for most European climate zones. Anti-PID protection guards against voltage-induced degradation, while Anti-LID technology minimizes initial light-induced degradation after installation. The Tra.Q serialization system enables full production-batch traceability, which is useful in warranty or authenticity claims.
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