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Q-SUN Solar Brand review

QN-440HT-5

440 Wp N-type Bifacial
ComparePV verdict

Middle of its segment, heavy for its output

Rank 7,269 of 14,005
Compare panels Datasheet PDF
Power (Wp)
440
Strong · top 23%
Efficiency (%)
22.00
Typical · median 21.91%
Density (Wp/m²)
220.2
Typical · median 218.3
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
25.0
Weak · 3.0 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Q-SUN Solar Qrystal N8 (Full Black) series is designed for installations where both aesthetics and stable energy production over the long term are important. These modules feature a sleek, uniformly dark aesthetic that complements modern roofs and facades without creating unwanted reflections or contrasting elements.

In practice, they stand out due to their N-type cell with TOPCon technology, which helps maintain high efficiency even under less than ideal conditions - in extreme heat, with variable sunlight, and during periods of poor weather. The design also supports PID resistance and minimizes losses associated with localized overheating, making the system more predictable in daily operation. Another advantage is low temperature sensitivity, which translates to better performance in the summer in Polish conditions.

This is a good choice for investors who want full black panels for their homes, installations with high visual requirements, or projects where quality and durability are prioritized over fleeting trends.

Ranking

321 panels in the segment N-type 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.00% 21.91% Typical 6,517
Power density 220.2 218.3 Typical 6,328
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 56.8 51.2 Weak · bottom 13% 10,878
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 4 caution
Best for

Residential, hot-climate and shaded-installations.

Not ideal for

Weight-limited structures.

Watch-outs
56.8 kg per kWp

Bottom 13% of the N-type 400-450 W segment, against a median of 51.2.

What owners get
N-type TOPCon cell technology

TOPCon cells deliver lower LID/LeTID degradation and better high-temperature performance than older PERC cells, translating into higher annual yield under Polish climate conditions.

Bifacial design with up to 30% gain

The double-glass bifacial construction captures reflected (albedo) light on the rear side, which depending on the mounting surface can boost energy output by up to 30% compared to monofacial modules.

Extended 30-year power warranty

The manufacturer offers a 30-year linear power warranty alongside a 25-year product warranty - longer than the standard 25/25-year terms found in many competing N-type series, including some peers such as Sunova Tangra S Pro HD.

High PID resistance and low temperature coefficient

The construction limits potential-induced degradation (PID) losses and localized overheating, improving production predictability during summer when module temperatures rise.

Full Black aesthetics without sacrificing performance

The uniform dark finish (black cells, frame, and backsheet) combines visual appeal for residential rooftops with 21.5-22.5% efficiency, in line with modern N-type modules.

Trade-offs
Efficiency trails segment leaders

Peak efficiency of 22.5% falls short of comparable N-type models, e.g. SunKean/Sunket New Energy SKT430~450M10-108D5 reaching 23.04% at the same 450 Wp power - a gap of about 0.5 pp against Qrystal N8.

No BNEF Tier-1 (bankable) status

Q-SUN Solar does not appear on the BNEF Tier-1 manufacturer list, meaning there's no documented track record of non-recourse commercial bank financing - this may limit access to preferential project financing compared to Tier-1 brands.

Relatively short market track record

Q-SUN Solar was founded in 2014, giving it a shorter documented history than established Tier-1 PV players - a factor some institutional investors weigh when assessing long-term reliability of 25/30-year warranty claims.

Notes from the database
  • At 22.0% efficiency, this panel is on par with typical N-type 400-450W modules
  • Power density of 220.2 W/m² matches the N-type 400-450W median
  • At -0.29%/°C, hot weather performance is typical for N-type 400-450W panels
  • At 25.0 kg, this panel is 3.0 kg heavier than the N-type 400-450W median (22.0 kg) - more demanding for installation crews
  • In the top 47% for efficiency among all N-type panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 440 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.00 % Typical Segment median 21.91%
Vmpp · Impp 32.74 V · 13.44 A Operating point at max power
Voc · Isc 39.42 V · 14.13 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×30 mm · 2.00 m² of roof
Weight 25.0 kg Weak Weak · 3.0 kg above median
Cells 108 · N-type Monocrystalline
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.240 · 0.040 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 385 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 440 Wp appear here. The rest cover the whole series.

Power-Voltage Curve Power-Voltage Curve Whole series Guaranteed Power vs. Years (Linear Power Warranty) Guaranteed Power vs. Years (Linear Power Warranty) 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
-

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
-

Alternatives

All Q-SUN Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Q-SUN Solar QN-440HT-5 440 W 22.00% -0.290 25.0 kg You are here
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +50 W, lighter, +2.5 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +50 W, lighter, +2.5 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +45 W, lighter, +2.3 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +45 W, lighter, +2.3 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +45 W, lighter, +2.3 pp
GK-5-54HG-485M 485 W 24.30% -0.260 21.0 kg +45 W, lighter, +2.3 pp
ZEUS 3.0+ 108 485WP 485 W 24.30% -0.260 24.2 kg +45 W, cooler, +2.3 pp
QN-430HT-5 430 W 21.50% -0.290 25.0 kg -10 W, -0.5 pp
QN-435HT-5 435 W 21.80% -0.290 25.0 kg Very close match
QN-445HT-5 445 W 22.30% -0.290 25.0 kg +0.3 pp
QN-450HT-5 450 W 22.50% -0.290 25.0 kg +10 W, +0.5 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +70 W, cooler, +3.0 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +55 W, lighter, +2.8 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +65 W, cooler, +2.7 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +60 W, cooler, +2.5 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +60 W, lighter, +2.5 pp

Found 1395 panels of the same or similar size to this one, within ±10 mm. See them here Found 1425 panels of the same or similar size to this one, within ±25 mm. See them here Found 3614 panels of the same or similar size to this one, within ±50 mm. See them here Found 3962 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty does Q-SUN Solar offer on the Qrystal N8 Full Black panels?
Q-SUN Solar provides a 25-year product warranty and a 30-year linear power output warranty on the Qrystal N8 series. The power warranty guarantees a specified minimum performance level throughout the entire period, giving homeowners a solid basis for calculating ROI and projecting system output across the full lifecycle — one of the longer warranty standards in the residential PV market.
Do Q-SUN Solar Qrystal N8 Full Black panels perform well in summer heat?
Yes. The N-type TOPCon cells in the Qrystal N8 carry a temperature coefficient of Pmax at -0.29%/°C, which is among the lowest in this product class. In practice, when a panel heats up to 60-70°C on a hot summer day, it loses less power than a conventional P-type PERC module. Under central European summer conditions, this translates into measurably better energy generation during peak heat months.
Since the Qrystal N8 is Full Black, does its bifacial design actually matter?
It is a fair question. The module uses a double-glass bifacial structure that technically captures rear-side irradiance, but the dark back surface reduces that gain compared to a white backsheet version. The real advantage here is durability: double glass delivers superior moisture resistance, reduced micro-crack risk, and slower laminate degradation. Over the 25-30 year warranty horizon, those structural benefits outweigh any short-term albedo gain.
Are the Qrystal N8 panels resistant to PID, and does it matter in central European climates?
Yes, the Qrystal N8 series features strong PID (Potential Induced Degradation) resistance. In Poland, high autumn and winter humidity combined with variable system voltages creates conditions favorable to PID, which causes gradual and hard-to-detect output losses. N-type TOPCon cells are inherently more PID-resistant than P-type PERC due to their oxide passivation layers, resulting in more predictable long-term generation.
What is the rated power of the Q-SUN Solar Qrystal N8, and how many panels are needed for a home system?
The Qrystal N8 tops out at 450 Wp per module. A typical residential 5-10 kWp system requires between 12 and 22 panels. Each module measures 1,762 x 1,134 mm and weighs 25 kg, which is within standard structural load limits for single-family residential rooftops. The footprint is compatible with most commonly used rail-mounting systems for pitched roofs.
Does the Q-SUN Solar Qrystal N8 Full Black blend well visually with a modern sloped roof?
Yes, this series was designed for installations where aesthetics matter as much as performance. The uniformly black panel surface, frame, and backsheet eliminate contrasting elements and unexpected reflections common with standard modules. The panels integrate naturally with graphite or anthracite-toned roofs. The 1,762 x 1,134 mm module format is compatible with most standard mounting systems used on sloped residential rooftops.
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