--- title: "Q-Cells Q.PEAK DUO BLK ML-G10+ 385 Solar Panel: Specs & Datasheet | ComparePV" description: "Q-Cells Q.PEAK DUO BLK ML-G10+ 385 solar panel. Specs: 19.60% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/q-cells-q-peak-duo-blk-ml-g10-385" image: "https://comparepv.com/og/panel/q-cells-q-peak-duo-blk-ml-g10-385.png" updated: 2026-09-11 --- # Q-Cells Q.PEAK DUO BLK ML-G10+ 385 Strong in heat, no clear weak spot 579 panels in the segment PERC 350-400 W ## Identity - **Manufacturer:** Q-Cells - **Model:** Q.PEAK DUO BLK ML-G10+ 385 - **Series:** Q.PEAK DUO BLK ML-G10+ - **Rated power:** 385 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 350-400 W (579 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 385 W | 380 W | Typical | | | Module efficiency | 19.60% | 19.90% | Typical | 12,677 | | Power density | 196.1 | 199.0 | Typical | 12,676 | | Temperature coefficient | -0.340 | -0.350 | Strong - top 15% | 8,846 | | Weight (kg) | 22.0 kg | 21.4 kg | Typical | | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,912 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 19.60% | 19.90% | Typical | 12,677 | | Power density | 196.1 | 199.0 | Typical | 12,676 | | Temperature coefficient | -0.340 | -0.350 | Strong - top 15% | 8,846 | | Weight per kWp | 57.1 | 55.8 | Typical | 11,138 | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,912 | ### Strengths - **-0.340 %/°C temperature coefficient** - Top 15% of the PERC 350-400 W segment, against a median of -0.350. - **Best for:** Residential and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 385 W - **Efficiency:** 19.60 % - **Voltage at Pmax (Vmp):** 36.36 V - **Current at Pmax (Imp):** 10.59 A - **Open-circuit voltage (Voc):** 45.19 V - **Short-circuit current (Isc):** 11.04 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.340 %/degC - **Temperature coefficient of Voc:** -0.270 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 132 ### Physical - **Length:** 1879 mm - **Width:** 1045 mm - **Thickness:** 32 mm - **Weight:** 22.0 kg - **Area:** 1.96 m2 - **Power density:** 196.1 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 86.0 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.50 % - **Output after 30 years:** 321 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 12677 of 14129 | | Power density | 12676 of 14129 | | Temperature coefficient | 8846 of 14129 | | Weight | 11138 of 14129 | | Warranty | 9912 of 14129 | ## Pros - **Q.ANTUM DUO Z technology** - Zero-gap layout of half-cut cells with 12 busbars maximizes module surface utilization, pushing efficiency up to 21.4% - important for roof-constrained residential installations. - **Quality Controlled PV certification** - Q-Cells was the first manufacturer worldwide to pass the 'Quality Controlled PV' program by TÜV Rheinland, covering extended durability and degradation-resistance testing beyond standard IEC norms. - **Tier-1, 25 years in the market** - Q-Cells (South Korea, founded 1999) is a Tier-1 bankable manufacturer, which eases project financing through banks and power-warranty insurance over the long term. - **25-year product and power warranty** - The manufacturer guarantees at least 86% of nominal power after 25 years of operation, matching peer comparables in the PERC segment, while offering a full 25-year product warranty - longer than many competitors' typical 10-12 year product coverage. - **High mechanical durability** - Aluminum alloy frame certified for snow loads up to 5400 Pa and wind loads up to 4000 Pa, making the series suitable for harsh climates including high-snowfall regions. ## Cons - **Efficiency slightly below peers** - Maximum efficiency of 21.4% trails comparable M10 PERC modules such as Jinko Solar JS-PERC (21.7%) and RedSolar P series (21.52%), despite matching the 420 Wp peak power ceiling. ## About this series Q-Cells Q.PEAK DUO BLK ML-G10+ photovoltaic panels are an advanced solution that sets new standards in aesthetics and energy efficiency for residential rooftops. The key distinguishing feature of the series is the use of innovative **Q.ANTUM DUO Z** technology, which, thanks to gapless cell interconnection, allows for maximum utilization of the available module surface. As a result, the user receives a much higher power density, which is crucial for roofs with limited installation space. This series effectively addresses the issue of performance drops in less favorable weather conditions, offering **excellent yields in low-light conditions** and high temperature stability on hot days. The elegant, all-black design makes the installation almost invisible, harmoniously blending with the modern architecture of single-family homes. What sets these modules apart from competitors' offerings is primarily the **rigorous Quality Controlled PV certificate** issued by TÜV Rheinland, guaranteeing the highest mechanical durability and long-term resistance to degradation. By choosing this model, investors opt for **half-cell technology with 12 busbars**, which minimizes the risk of micro-cracks and ensures stable current flow. It is a product dedicated to the most demanding customers for whom **energy security**, a quick return on investment, and the uncompromising, prestigious appearance of the entire photovoltaic installation matter. ## Notable figures - At 19.6% efficiency, this panel is on par with typical \*\*PERC 0-400W\*\* modules - At 196.1 W/m² power density, roof space requirements are typical for \*\*PERC 0-400W\*\* panels - Temperature coefficient of -0.34%/°C matches the \*\*PERC 0-400W\*\* median - At 22.0 kg (1.5 kg above \*\*PERC 0-400W\*\* median of 20.5 kg), requires checking roof load capacity - In the top 90% for efficiency among all PERC panels ## Questions ### What is the Q.ANTUM DUO Z technology in the Q.PEAK DUO BLK ML-G10+ series and does it actually matter? Q.ANTUM DUO Z combines half-cut PERC cells with a zero-gap cell layout and 12 busbars. The zero-gap arrangement maximizes the active surface area, pushing module efficiency up to 20.9%. Twelve busbars reduce internal resistance and the risk of micro-cracks. The practical result is higher power output per square meter of roof space and better long-term durability over the module's 25-year service life. ### What warranty does the Q-Cells Q.PEAK DUO BLK ML-G10+ come with and what exactly does it cover? The Q.PEAK DUO BLK ML-G10+ series carries a 25-year product warranty covering manufacturing defects and a 25-year linear power warranty guaranteeing at least 86% of nominal power output after 25 years. Both warranties are backed by TÜV Rheinland's Quality Controlled PV certification. Q-Cells, a Hanwha Group brand and Tier 1 manufacturer, provides the financial stability needed to honor long-term warranty obligations. ### Will the Q.PEAK DUO BLK ML-G10+ 405 W panels perform well on a roof with partial shading from a chimney, dormers, or neighboring buildings? Yes. The half-cut cell design splits the module into two independently operating halves, so shading on one half does not completely shut down the other. Twelve busbars further limit the impact of shading on individual cells. For installations with heavy, constant shading, pairing these modules with power optimizers or microinverters is advisable, but for typical residential shading scenarios the module significantly outperforms standard full-cell PERC modules. ### How does the Q.PEAK DUO BLK ML-G10+ 405 W perform in summer when roof temperatures exceed 60°C? All PV modules lose power as temperature rises, quantified by the power temperature coefficient. The Q.PEAK DUO BLK ML-G10+ has a coefficient of approximately -0.34%/°C, which is among the better values for PERC modules. On a hot day with cell temperatures around 65°C, the module delivers roughly 85-87% of its rated power - noticeably better than weaker modules. The half-cut architecture also reduces resistive losses at elevated temperatures. ### Does the Q.PEAK DUO BLK ML-G10+ all-black series blend in with modern rooftops? The BLK (all-black) series features black cells, a black anodized frame, and a black backsheet with no contrasting silver busbars, giving the installation a seamless, dark surface appearance nearly indistinguishable from dark roof tiles. It is one of the few premium modules combining high power output up to 405 W with a full all-black aesthetic, making it a popular choice for modern or minimalist residential architecture. ### How do Q-Cells Q.PEAK DUO BLK ML-G10+ panels differ from cheaper PERC modules on the market? Key differentiators are: first, the independent Quality Controlled PV certification from TÜV Rheinland covering mechanical durability and long-term degradation resistance - a standard many budget brands skip. Second, 12 busbars versus the typical 6-9 reduce micro-crack risk. Third, Q-Cells is a Tier 1 manufacturer with decades of production experience, making the 25-year warranty a credible commitment. The price premium typically pays off through lower degradation rates and higher energy yield over the module's full lifetime. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Qcells_Data_sheet_QPEAK_DUO_BLK_ML-G10_series-485be12bd4f4.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Gamko New Energy GKA210M340W](https://comparepv.com/panel/gamko-new-energy-gka210m340w) | 340 W | Lighter, +3.4 pp, +5 yr warranty | | [Gamko New Energy GKA210M360W](https://comparepv.com/panel/gamko-new-energy-gka210m360w) | 360 W | Lighter, +3.4 pp, +5 yr warranty | | [Gamko New Energy GKA210M380W (1/4\*4\*38)](https://comparepv.com/panel/gamko-new-energy-gka210m380w-1-4-4-38) | 380 W | Lighter, +3.4 pp, +5 yr warranty | | [Gamko New Energy GKA210M400W (1/2\*4\*20)](https://comparepv.com/panel/gamko-new-energy-gka210m400w-1-2-4-20) | 400 W | Lighter, +3.4 pp, +5 yr warranty | | [Gamko New Energy GKA210M400W (1/4\*4\*40)](https://comparepv.com/panel/gamko-new-energy-gka210m400w-1-4-4-40) | 400 W | Lighter, +3.4 pp, +5 yr warranty | | [Gamko New Energy GKA210M380W (1/2\*4\*19)](https://comparepv.com/panel/gamko-new-energy-gka210m380w-1-2-4-19) | 380 W | Lighter, +3.4 pp, +5 yr warranty | | [Luxor Solar LX-435M/182-108+ GG](https://comparepv.com/panel/luxor-solar-lx-435m-182-108-gg-1) | 435 W | +50 W, cooler, +3.2 pp | | [Jetion JT435SYk(B)](https://comparepv.com/panel/jetion-jt435syk-b) | 435 W | +50 W, cooler, +3.1 pp | | [Maxeon SPR-MAX3-430-R](https://comparepv.com/panel/maxeon-spr-max3-430-r) | 430 W | Cooler, +3.1 pp, +15 yr warranty | | [Luxor Solar LX-435M/182-108+](https://comparepv.com/panel/luxor-solar-lx-435m-182-108) | 435 W | +50 W, cooler, +3.0 pp | | [Q-Cells Q.PEAK DUO BLK ML-G10+ 390](https://comparepv.com/panel/q-cells-q-peak-duo-blk-ml-g10-390) | 390 W | +0.3 pp | | [Q-Cells Q.PEAK DUO BLK ML-G10.a+ 395](https://comparepv.com/panel/qcells-hanwha-q-cells-america-inc-q-peak-duo-blk-ml-g10-395) | 395 W | +10 W, +0.5 pp | | [Q-Cells Q.PEAK DUO BLK ML-G10.a+ 400](https://comparepv.com/panel/qcells-hanwha-q-cells-america-inc-q-peak-duo-blk-ml-g10-400) | 400 W | +15 W, +0.8 pp | | [Q-Cells Q.PEAK DUO BLK ML-G10.a+ 405](https://comparepv.com/panel/qcells-hanwha-q-cells-america-inc-q-peak-duo-blk-ml-g10-405) | 405 W | +20 W, +1.0 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +125 W, cooler, +5.4 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +120 W, cooler, +5.1 pp | --- Source: https://comparepv.com/panel/q-cells-q-peak-duo-blk-ml-g10-385 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.