Strong in heat, no clear weak spot
The Q-Cells Q.PEAK DUO BLK-G10+ series was designed to maximize yield from the same roof surface - thanks to a half-cut cell configuration and the Q.ANTUM DUO Z architecture with its virtually seamless arrangement, the module more effectively utilizes available space and performs better under real-world operating conditions. In practice, this means more stable energy production, even when partial shading (e.g., from a chimney, antenna, or tree) appears on the installation, or under weaker sunlight and temperature fluctuations.
A key feature of this series is its commitment to longevity - Anti LID and Anti PID limit common degradation mechanisms, while Hot-Spot Protect helps safeguard the module against uneven stress. Additionally, Tra.Q supports quality identification, which is important for investments that last.
It is a reliable choice for aesthetically pleasing residential installations and prestigious rooftops - the full-black appearance integrates better with modern architecture while simultaneously not compromising on performance.
Ranking
Signals from the data
Residential and shaded-installations.
Top 15% of the PERC 350-400 W segment, against a median of -0.350.
The near-zero-gap layout of half-cut cells increases cell packing density on the module surface, boosting energy yield per roof area and improving performance under partial shading (e.g., from chimneys or antennas) compared to conventional full-cell modules.
Anti LID and Anti PID minimize the typical power-loss mechanisms over time, while Hot-Spot Protect guards the module against uneven cell loading - real protection for long-term output across the 25-year service life.
Hanwha Q-Cells (South Korea, founded 1999) holds a BNEF Tier-1 rating and one of the world's largest module manufacturing capacities, easing project financing and providing brand stability despite this particular series being discontinued.
Peak efficiency of 20.6% outperforms comparable modules in the segment, such as Solitek SOLID Bifacial (19.57%) and Solarwatt vision GM 3.0 style (19.9%), and is close to Selfa SV120M.3.2 (20.3%) - a strong result for 2021-era PERC technology.
The all-black finish blends well with modern pitched-roof architecture, making the series a good fit for premium residential installations without sacrificing performance.
The Q.PEAK DUO BLK-G10+ series was phased out (released 2021, discontinued 2023), limiting availability for expanding existing arrays and potentially slowing warranty claims requiring matching replacement modules.
By the time the series was discontinued (2023), the market had already shifted toward N-type cells (TOPCon/HJT), offering lower annual degradation and extended linear warranties up to 30 years - the series' standard 25/25-year warranty is solid but no longer best-in-class.
- At 19.8% efficiency, this panel is on par with typical PERC 0-400W modules
- At 197.8 W/m² power density, this panel generates 3.7 W/m² more per unit area than PERC 0-400W median (194.2 W/m²)
- At -0.34%/°C, hot weather performance is typical for PERC 0-400W panels
- In the top 88% for efficiency among all PERC panels
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Found 12 panels of the same or similar size to this one, within ±10 mm. See them here Found 16 panels of the same or similar size to this one, within ±25 mm. See them here Found 403 panels of the same or similar size to this one, within ±50 mm. See them here Found 4407 panels of the same or similar size to this one, within ±100 mm. See them here
About the Q.PEAK DUO BLK-G10+ SERIES series
These answers cover the whole series. Where a figure differs, the specification above is this module's own.