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Q-SUN Solar Brand review

QNM182-HG535-72

535 Wp PERC Bifacial
ComparePV verdict

Strong in heat, heavy for its output

Rank 8,350 of 14,005
Compare panels Datasheet PDF
Power (Wp)
535
Typical for its class
Efficiency (%)
20.70
Typical · median 20.90%
Density (Wp/m²)
207.0
Weak · bottom 25%
Temp (%/°C)
-0.310
Strong · top 2%
Weight (kg)
31.4
Weak · 3.0 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Q-SUN Solar QNM182-HG-72 photovoltaic panel series, with power ranging from 530 to 550W, is an advanced response to the needs of modern solar power plants, utilizing the full potential of bifacial monocrystalline cells. Thanks to double-sided exposure, these modules can absorb radiation reflected from the ground, allowing for the maximization of energy yields even in less favorable lighting conditions. A key feature of the series is the use of Half-Cut and Multi-Busbar technology, which effectively reduces current losses and significantly increases tolerance to partial shading of the installation. The design based on double tempered glass guarantees excellent protection against degradation caused by moisture or chemical factors, making these panels an ideal choice for large-scale farms and demanding agro-photovoltaic projects. These panels solve the problem of premature system aging, offering increased resistance to the PID phenomenon and stable operating parameters for decades. They stand out from the competition with an optimized balance of system (BOS) costs, which directly translates into a faster return on investment for business clients. This is a solid solution for professionals seeking uncompromising durability and high power density while maintaining the highest standards of mechanical safety.

Ranking

706 panels in the segment PERC 500-550 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.70% 20.90% Typical 10,764
Power density 207.0 209.0 Weak · bottom 25% 10,849
Temperature coefficient -0.310 -0.350 Strong · top 2% 8,005
Weight per kWp 58.7 53.0 Weak · bottom 25% 11,837
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 6 caution
Best for

Utility-scale, agrivoltaic and shaded-installations.

Not ideal for

Weight-limited structures and roofs where every square metre has to count.

Strengths
-0.310 %/°C temperature coefficient

Top 2% of the PERC 500-550 W segment, against a median of -0.350. Ranked 8,005th in the whole database.

Watch-outs
58.7 kg per kWp

Bottom 25% of the PERC 500-550 W segment, against a median of 53.0.

207.0 watts per square metre

Bottom 25% of the PERC 500-550 W segment, against a median of 209.0.

What owners get
Bifacial design boosts energy yield

Dual-sided exposure of the monocrystalline cells captures reflected irradiance from the ground surface, adding measurable value for ground-mount and agro-PV installations on bright soil or grass.

High efficiency up to 21.3%

The top-end 21.3% efficiency matches the best comparable series on the market, such as Goldi Solar GS10-B144-TF (21.3%) and Jetion JT SGh (21.3%), placing the module in the top tier of the 530-550W segment.

Half-cut and multi-busbar reduce losses

Half-cut cells combined with multi-busbar design lower resistive losses and improve module tolerance to partial shading, resulting in more stable performance under suboptimal irradiance conditions.

Dual tempered glass and PID resistance

The double-glass construction protects the laminate from moisture ingress and chemical degradation, while enhanced PID (Potential Induced Degradation) resistance supports long-term power stability.

30-year linear power warranty

The manufacturer offers a 30-year power warranty matching leading competitors such as IBC Solar (182M Half Cell 540-550W) and Goldi Solar, despite Q-SUN Solar not holding a BNEF Tier-1 status.

Trade-offs
Series discontinued

Production of the QNM182-HG-72 series has ended, meaning limited availability of warranty service, replacement parts, and reduced options for expanding existing installations with matching modules in the future.

Manufacturer not on BNEF Tier-1 list

Q-SUN Solar (founded 2014, China) does not appear on BloombergNEF's quarterly Tier-1 list, unlike many competitors in the 530-550W segment, which can complicate project financing where module bankability is required by commercial banks.

PERC technology lags newer alternatives

PERC cells exhibit higher LID degradation and lower temperature tolerance compared to the increasingly standard N-type TOPCon cells now offered by competitors in the same power range.

Shorter product warranty than some competitors

The 12-year product warranty is lower than the 15-25 years now offered by many Tier-1 manufacturers, which may be a relevant factor when evaluating the total cost of ownership.

Notes from the database
  • Efficiency of 20.7% matches the PERC 500-550W median
  • Power density of 207.0 W/m² matches the PERC 500-550W median
  • -0.31%/°C temperature coefficient (median: -0.35%/°C) - retains ~2% more power at high temperatures
  • Weight of 31.4 kg is 3.0 kg above PERC 500-550W median (28.4 kg) - verify structural support
  • In the top 77% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 535 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.70 % Typical Segment median 20.90%
Vmpp · Impp 41.19 V · 12.99 A Operating point at max power
Voc · Isc 49.65 V · 13.50 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2279×1134×35 mm · 2.58 m² of roof
Weight 31.4 kg Weak Weak · 3.0 kg above median
Cells 144 · PERC Monocrystalline
Coefficient Pmax -0.310 %/°C Strong top 2% of its segment
Coefficient Voc · Isc -0.280 · 0.054 %/°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 85.0 % Equals 454 W guaranteed
Degradation 2.00 → 0.45 % 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
-0.310 %/°C against a segment median of -0.350
-

Alternatives

All Q-SUN Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Q-SUN Solar QNM182-HG535-72 535 W 20.70% -0.310 31.4 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +4.3 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +4.1 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +4.1 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +4.0 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +3.9 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +3.8 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, lighter, +3.8 pp
QNM182-HG530-72 530 W 20.50% -0.310 31.4 kg Very close match
QNM182-HS540-72 540 W 20.90% -0.320 28.3 kg Hotter, lighter, -5 yr warranty
QN-540HT 540 W 20.80% -0.340 26.0 kg Hotter, lighter, -5 yr warranty
QNM182-HS545-72 545 W 21.10% -0.320 28.3 kg Lighter, +0.4 pp, -5 yr warranty
QN-545HT 545 W 21.10% -0.340 26.0 kg Hotter, lighter, -5 yr warranty
QNM182-HS550-72 550 W 21.30% -0.320 28.3 kg Lighter, +0.6 pp, -5 yr warranty
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +115 W, cooler, +4.5 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +110 W, cooler, +4.3 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +105 W, cooler, +4.1 pp

Found 2326 panels of the same or similar size to this one, within ±10 mm. See them here Found 2368 panels of the same or similar size to this one, within ±25 mm. See them here Found 2382 panels of the same or similar size to this one, within ±50 mm. See them here Found 2542 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the Q-SUN Solar QNM182-HG-72 series still available for purchase?
The QNM182-HG-72 series has been officially discontinued by the manufacturer. Direct orders from Q-SUN Solar are no longer possible; however, some authorized distributors may still carry remaining warehouse stock. Before purchasing, contact local importers to confirm availability and current pricing. If stock is unavailable, consider newer Q-SUN Solar series with comparable specifications as a replacement.
What warranty does the Q-SUN Solar QNM182-HG-72 series come with?
Q-SUN Solar provides a 12-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. The power warranty guarantees the module retains a specified minimum percentage of its rated output after 30 years of operation. These are competitive terms for bifacial PERC modules in the utility segment, though details should be confirmed with the local importer since the series is discontinued.
Does the bifacial design of the QNM182-HG-72 actually deliver higher energy yields in practice?
Yes. The bifacial monocrystalline PERC cells capture reflected irradiance (albedo) from the ground on the rear side in addition to direct front-side irradiance. On ground-mounted or agrivoltaic installations with reflective surfaces, energy yield gains of 5–15% over monofacial modules are achievable. Actual gain depends on ground albedo coefficient, module tilt angle, and clearance height above the surface.
Do the Half-Cut and Multi-Busbar technologies in the QNM182-HG-72 series actually improve shading tolerance?
Yes. Half-cut cell technology splits each PERC cell in half, reducing resistive losses and limiting the shading impact to only a portion of the module. The Multi-Busbar design shortens internal current paths and cuts transmission losses within the module. In practice, QNM182-HG-72 modules handle partial shading from chimneys, antennas, or nearby structures significantly better than older full-cell module designs.
Are the Q-SUN Solar QNM182-HG-72 panels suitable for agrivoltaic and utility-scale ground-mounted projects?
Yes, the QNM182-HG-72 530–550W series was designed for large-scale ground-mounted and agrivoltaic installations. The dual tempered glass construction protects modules against moisture, pesticides, and chemical agents common in agricultural environments. High per-module power output of up to 550W reduces the total module count per MW, directly lowering BoS costs and improving overall LCOE for commercial investors.
What does enhanced PID resistance mean for the QNM182-HG-72 modules, and why does it matter?
PID (Potential Induced Degradation) is a performance loss caused by voltage differentials between the cell and module frame, especially critical in large utility-scale farms operating at high system voltages. The QNM182-HG-72 series uses materials and manufacturing processes that suppress this effect, allowing the modules to maintain stable output over decades. The 30-year linear power warranty reflects the manufacturer's confidence in the long-term durability of this protection.
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