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Q-SUN Solar Brand review

QNN182-HG450-54

450 Wp TOPCon Bifacial 1000%
ComparePV verdict

Space saver, no clear weak spot

Rank 8,516 of 14,005
Compare panels Datasheet PDF
Power (Wp)
450
Weak · bottom 9%
Efficiency (%)
23.04
Strong · top 14%
Density (Wp/m²)
230.4
Strong · top 14%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
24.0
Typical · median 24.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

Q-SUN Solar QNN182-HG-54 panels are an advanced solution based on TOPCon N-Type technology, which guarantees higher efficiency compared to standard P-type modules. The use of bifacial cells enables energy generation from the rear side of the panel as well, which significantly increases total energy yield, especially on light-colored surfaces. Thanks to the Full Black aesthetics, these modules combine powerful parameters with an elegant appearance, making them an ideal choice for modern home installations where design is just as important as power. The Half-Cell architecture effectively minimizes power losses resulting from partial shading and reduces thermal stress, which translates into higher reliability of the entire installation. The use of N-type silicon ensures that the panels show minimal degradation over time, providing a stable return on investment for many years. Bifacial energy generation and half-cut cell technology allow for maximum utilization of available space, setting this series apart from market competition. This product is dedicated to conscious investors who seek exceptional resistance to weather conditions and want to avoid compromises between aesthetics and advanced engineering. It solves the problem of limited mounting space, offering a significantly higher yield from every square meter of the roof while maintaining its minimalist style.

Ranking

1,089 panels in the segment TOPCon 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.04% 22.52% Strong · top 14% 1,711
Power density 230.4 225.2 Strong · top 14% 1,708
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 53.3 52.2 Typical 7,178
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

7 positive · 2 caution
Best for

Residential and shaded-installations.

Strengths
230.4 watts per square metre

Top 14% of the TOPCon 450-500 W segment, against a median of 225.2.

23.04% module efficiency

Top 14% of the TOPCon 450-500 W segment, against a median of 22.52%.

What owners get
Efficiency up to 23.04%

Peak efficiency of 23.04% matches the top peer comparables in the segment (SunKean, Sunket New Energy) and exceeds Sunova's Tangra S Pro HD (22.5%), placing this series among the technology leaders for TOPCon N-type modules.

N-type TOPCon technology

N-type silicon shows lower LID/LeTID degradation compared to older P-type PERC cells, resulting in more stable energy yield throughout the system's operational lifetime.

Bifacial dual-side generation

Bifacial cells enable additional energy capture from the rear side of the module, especially effective on high-albedo surfaces (e.g., white gravel, EPDM roofing), boosting output without increasing the mounting footprint.

30-year linear power warranty

The manufacturer provides a 30-year linear power output warranty, aligning with the latest premium standard for TOPCon modules and surpassing the older 25-year warranties typical of PERC technology.

Full Black + half-cut aesthetics

The Full Black finish combined with a half-cut cell architecture minimizes power loss from partial shading and reduces thermal stress, while delivering an aesthetic favored in residential installations.

Trade-offs
Manufacturer not on Tier-1 BNEF list

Q-SUN Solar (founded 2014) does not appear on the BloombergNEF Tier 1 list, meaning there is no confirmed track record of supplying at least 6 bank-financed projects above 10 MW. This may limit bank financing availability for larger commercial installations.

12-year product warranty

The 12-year workmanship warranty is shorter than the growing premium standard in the TOPCon segment, where some competitors offer 15 or even 25 years of product warranty alongside the same 30-year power warranty.

Notes from the database
  • Efficiency of 23.0% is 0.5pp above the TOPCon 450-500W median (22.5%)
  • Power density of 230.4 W/m² packs 5.2 W/m² more into the same footprint vs TOPCon 450-500W median (225.2 W/m²)
  • Temperature coefficient of -0.29%/°C matches the TOPCon 450-500W median
  • In the top 12% for efficiency among all TOPCon panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 450 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.04 % Strong Segment median 22.52%
Vmpp · Impp 32.59 V · 13.81 A Operating point at max power
Voc · Isc 39.25 V · 14.55 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1722×1134×30 mm · 1.95 m² of roof
Weight 24.0 kg Typical Typical · median 24.0 kg
Cells 108 · TOPCon Monocrystalline
Bifaciality 1000 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 393 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Q-SUN Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 450 Wp appear here. The rest cover the whole series.

Linear Performance Warranty Linear Performance Warranty Whole series Power-Voltage Curves (P-V curve) Power-Voltage Curves (P-V curve) Whole series

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
-
With bifacial gain
-

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

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Alternatives

All Q-SUN Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Q-SUN Solar QNN182-HG450-54 450 W 23.04% -0.290 24.0 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +45 W, lighter, +1.8 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +40 W, lighter, +1.5 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +50 W, cooler, +1.5 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +50 W, cooler, +1.5 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg +50 W, cooler, +1.5 pp
GCL-NR10R/54BGDF 500 W 24.50% -0.260 24.6 kg +50 W, cooler, +1.5 pp
QNM182-HS395-54 395 W 20.20% -0.320 20.8 kg -55 W, -2.8 pp, -5 yr warranty
QNM182-HS400-54 400 W 20.50% -0.320 20.8 kg -50 W, -2.5 pp, -5 yr warranty
QNM182-HS405-54 405 W 20.70% -0.320 20.8 kg -45 W, -2.3 pp, -5 yr warranty
QNM182-HS410-54 410 W 21.00% -0.320 20.8 kg -40 W, -2.0 pp, -5 yr warranty
QNM182-HS415-54 415 W 21.30% -0.320 20.8 kg -35 W, -1.7 pp, -5 yr warranty
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +60 W, cooler, +2.0 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +55 W, cooler, +1.7 pp

Found 1783 panels of the same or similar size to this one, within ±10 mm. See them here Found 1914 panels of the same or similar size to this one, within ±25 mm. See them here Found 3392 panels of the same or similar size to this one, within ±50 mm. See them here Found 3970 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty comes with the Q-SUN Solar QNN182-HG-54 panels?
The QNN182-HG-54 series is backed by a 12-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. The power guarantee ensures the modules maintain a specified minimum performance level for three full decades, giving homeowners and investors confidence that the system will deliver a solid, predictable return on investment throughout its entire service life.
How does TOPCon technology in the QNN182-HG-54 compare to conventional PERC cells?
TOPCon (Tunnel Oxide Passivated Contact) uses N-Type silicon, delivering higher conversion efficiency and significantly lower light-induced degradation (LID) than P-Type PERC cells. The QNN182-HG-54 modules also exhibit a better temperature coefficient and stronger resistance to potential-induced degradation (PID). The result is a lower LCOE advantage: less cumulative power loss over the 30-year warranty period compared to PERC-based alternatives on the market.
How much extra energy can I expect from the bifacial cells in the QNN182-HG-54?
The bifacial cells in the QNN182-HG-54 harvest irradiance from both the front and rear of the module. On highly reflective surfaces such as white gravel, light-colored metal roofing, or snow, the rear-side gain typically ranges from 5% to 25% compared to a standard monofacial panel. The actual yield boost depends on the albedo of the mounting surface and the tilt angle and mounting height of the array.
Does the Full Black design of the QNN182-HG-54 reduce panel efficiency?
The all-black frame, backsheet, and cells give the QNN182-HG-54 a sleek aesthetic suited to modern rooftops. While dark surfaces can absorb slightly more heat, the N-Type TOPCon cell technology provides a better temperature coefficient than standard P-Type PERC modules. In practice, this offsets any heat-related losses, keeping output high even on hot summer days without meaningful compromise between appearance and performance.
How does the half-cut cell architecture in the Q-SUN Solar QNN182-HG-54 handle partial shading?
In a half-cut layout, each cell is split in two, reducing internal resistance and limiting the power loss caused by partial shading. If a chimney, antenna, or overhanging branch shadows part of a QNN182-HG-54 module, the unshaded cells continue generating at full capacity. This makes the series a practical choice for residential rooftops with typical obstructions, delivering noticeably higher output than full-cell modules under the same conditions.
Are the 450 Wp Q-SUN Solar QNN182-HG-54 panels suitable for a standard home installation?
Yes. At 450 Wp, the QNN182-HG-54 modules sit firmly in the high-power segment well-suited for single-family homes. A typical 6-10 kWp residential system requires only 13-23 panels, far fewer than older 300-350 Wp modules would need. Fewer panels translate to lower racking and labor costs, simpler string wiring, and a cleaner roofline, making this series a highly practical choice for prosumer PV installations.
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