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Q-SUN Solar Brand review

QNM182-HS415-54

415 Wp PERC
ComparePV verdict

Strong in heat, no clear weak spot

Rank 11,375 of 14,005
Compare panels Datasheet PDF
Power (Wp)
415
Typical for its class
Efficiency (%)
21.30
Strong · top 8%
Density (Wp/m²)
212.5
Strong · top 11%
Temp (%/°C)
-0.320
Strong · top 5%
Weight (kg)
20.8
Strong · 1.2 kg below median
Warranty (yrs)
25
Typical · median 25 yrs

The Q-SUN Solar QNM182-HS-54 photovoltaic panel series is a solution designed to maximize yields from limited roof space. Thanks to the use of advanced Half-Cut cell technology, these modules effectively minimize energy losses resulting from local shading, which is crucial in Polish single-family housing. The use of a multi-busbar (MBB) structure significantly shortens the current flow path, which directly translates to lower component heating and a longer lifespan for the entire system. These products stand out for their exceptional resistance to voltage degradation, ensuring stable operation for many years. For the prosumer, this means higher efficiency in low-light conditions, which in our climate is an invaluable asset during cloudy days. The solid frame construction and reinforced glass guarantee high resistance to snow loads and strong wind gusts. This is an ideal choice for those looking for a balance between aesthetics and technical parameters, suitable for demanding home installations. Q-SUN Solar QNM182-HS-54 stands out from the competition with its precise workmanship, allowing for higher power density while maintaining full operational reliability in harsh environmental conditions.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.30% 20.60% Strong · top 8% 8,519
Power density 212.5 206.2 Strong · top 11% 8,791
Temperature coefficient -0.320 -0.350 Strong · top 5% 8,312
Weight per kWp 50.1 53.0 Strong · top 20% 3,625
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

7 positive · 3 caution
Best for

Residential and shaded-installations.

Strengths
-0.320 %/°C temperature coefficient

Top 5% of the PERC 400-450 W segment, against a median of -0.350. Ranked 8,312th in the whole database.

21.30% module efficiency

Top 8% of the PERC 400-450 W segment, against a median of 20.60%. Ranked 8,519th in the whole database.

212.5 watts per square metre

Top 11% of the PERC 400-450 W segment, against a median of 206.2.

What owners get
Up to 21.3% efficiency despite PERC cells

Reaching 21.3% efficiency on standard PERC technology puts this series close to competing modules such as LEDVANCE M395~415P54LM-BF-F3 (21.25%) and Aptos DNA 108-Monofacial (21.25%), which often rely on more expensive cell technologies. That's a strong result for the lower-cost PERC platform.

Half-cut cells with multi-busbar (MBB) structure

Splitting cells in half combined with the MBB layout shortens the current path, reducing resistive losses and limiting the impact of partial shading - relevant for the dense single-family housing typical of the Polish market.

High resistance to PID degradation

The manufacturer claims enhanced resistance to potential-induced degradation (PID), translating into more stable energy yield over the long-term operation of the installation.

Reinforced frame for snow and wind loads

A robust frame and reinforced glass provide resistance to the snow loads and strong wind gusts typical of the Polish climate, reducing the risk of micro-cracks and mechanical failures.

Trade-offs
Discontinued production - limited availability

The QNM182-HS-54 series has been discontinued by the manufacturer, meaning limited availability of matching replacement units for warranty claims or expansion of an existing installation with the same model.

Product warranty shorter than market standard

A 12-year product warranty is noticeably shorter than the 20-30-year warranties now offered by leading Tier-1 manufacturers, which may affect the perceived long-term value of the investment.

Manufacturer not on the BNEF Tier-1 list

Q-SUN Solar (founded 2014, China) does not appear on BNEF's Tier-1 manufacturer list, which may complicate obtaining bank financing or leasing that requires bankable components in the project.

Notes from the database
  • 21.3% module efficiency - 0.7pp better than the PERC 400-450W median of 20.6%
  • At 212.5 W/m² power density, this panel generates 6.3 W/m² more per unit area than PERC 400-450W median (206.2 W/m²)
  • Temperature coefficient of -0.32%/°C vs median -0.35%/°C means ~1% less power loss at 65°C
  • At 20.8 kg, this panel is 1.2 kg lighter than PERC 400-450W median (22.0 kg) - easier handling during installation
  • Ranked #8519 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 415 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.30 % Strong Segment median 20.60%
Vmpp · Impp 31.61 V · 13.13 A Operating point at max power
Voc · Isc 37.46 V · 14.02 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 20.8 kg Strong Strong · 1.2 kg below median
Cells 108 · PERC Monocrystalline
Coefficient Pmax -0.320 %/°C Strong top 5% of its segment
Coefficient Voc · Isc -0.260 · 0.052 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 84.8 % Equals 341 W guaranteed
Degradation 2.00 → 0.55 % 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
-0.320 %/°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-HS415-54 415 W 21.30% -0.320 20.8 kg You are here
JST-EDMH-(445-465)W-TD (465W class) 465 W 23.81% -0.300 20.5 kg +50 W, +2.5 pp, +5 yr warranty
LX-465M/182R-96+ GG 465 W 23.80% -0.260 23.5 kg +50 W, cooler, +2.5 pp
AIKO-A460-MAH54Mb 460 W 23.60% -0.290 20.5 kg +45 W, +2.3 pp, +5 yr warranty
LX-465M/182R188-108+ GG 465 W 23.60% -0.290 24.5 kg +50 W, +2.3 pp, +5 yr warranty
JST-EDMH-(445-465)W-TD (460W class) 460 W 23.56% -0.300 20.5 kg +45 W, +2.3 pp, +5 yr warranty
LX-460M/182R-96+ GG 460 W 23.55% -0.260 23.5 kg Cooler, +2.2 pp, +5 yr warranty
PS-MNB108(HCBF)-460W 460 W 23.53% -0.290 20.5 kg +45 W, +2.2 pp, +5 yr warranty
JAT54S40-460/LR 460 W 23.50% -0.260 19.3 kg Cooler, +2.2 pp, +5 yr warranty
QNM182-HS395-54 395 W 20.20% -0.320 20.8 kg -20 W, -1.1 pp
QNM182-HS400-54 400 W 20.50% -0.320 20.8 kg -15 W, -0.8 pp
QNM182-HS405-54 405 W 20.70% -0.320 20.8 kg -10 W, -0.6 pp
QNM182-HS410-54 410 W 21.00% -0.320 20.8 kg -0.3 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +95 W, cooler, +3.7 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +80 W, cooler, +3.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +90 W, cooler, +3.4 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +75 W, cooler, +3.2 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
Is the Q-SUN Solar QNM182-HS-54 series still available for purchase?
The QNM182-HS-54 series has been discontinued and is no longer available through regular distribution channels. If you need similar specs — PERC technology, half-cut cells, up to 415 W — ask your distributor about current production alternatives or check remaining stock with authorized resellers who may still carry leftover inventory.
What warranty does the Q-SUN Solar QNM182-HS-54 come with?
The manufacturer provides a 12-year product warranty covering material and workmanship defects, plus a 25-year linear power output warranty protecting against excessive degradation. After 25 years, modules should retain approximately 80–83% of their rated power output, which is the industry standard for quality PERC modules in this class.
What is half-cut cell technology in the QNM182-HS-54 and what are the real-world benefits?
Half-cut technology splits standard PERC cells in half, lowering resistive losses and reducing heat buildup within the module. In practice, this improves performance under partial shading — for example from chimneys or dormers — and keeps the module cooler on hot sunny days. The QNM182-HS-54 series pairs half-cut cells with a multi-busbar (MBB) structure, further shortening current paths and extending system lifespan.
Do Q-SUN Solar QNM182-HS-54 panels perform well on cloudy days and during the winter?
Yes. The combination of PERC cells and half-cut technology gives the QNM182-HS-54 series above-average low-light performance, which is particularly valuable during Poland's overcast autumn and winter months. The reinforced aluminum frame and tempered glass provide strong resistance to snow loads and high wind gusts, keeping the installation running reliably year-round without mechanical damage risk.
What is the maximum power output of the QNM182-HS-54 series and is it enough for a typical single-family home?
The series covers a peak power range of 395 W to 415 W (STC conditions). A typical single-family home consuming 3,000–5,000 kWh per year generally needs 8 to 14 of these panels, translating to a 3.2–5.8 kWp system. The exact number depends on your location's solar irradiance, roof pitch and orientation, and the available roof area.
Is Q-SUN Solar a Tier 1 manufacturer, and should I be concerned about panel quality?
Q-SUN Solar does not appear in Tier 1 rankings published by independent financial analysts. This does not automatically mean low quality — the QNM182-HS-54 holds standard industry certifications (IEC 61215, IEC 61730). However, it is worth carefully reviewing the warranty terms, as warranty service accessibility tends to be more limited with smaller manufacturers compared to leading Tier 1 brands.
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