Skip to main content
Q-Cells Brand review

Q.TRON BLK S-G3R.12+ / BFG 435Wp

435 Wp N-type Bifacial 80%
ComparePV verdict

Light for its output, weak in heat

Rank 7,523 of 14,005
Compare panels Datasheet PDF
Power (Wp)
435
Typical for its class
Efficiency (%)
21.80
Typical · median 21.91%
Density (Wp/m²)
217.7
Typical · median 218.3
Temp (%/°C)
-0.300
Weak · bottom 25%
Weight (kg)
20.9
Strong · 1.1 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

Photovoltaic panels from the Q.TRON BLACK series set new efficiency standards thanks to the use of proprietary N-type cell technology. The innovative Q.ANTUM NEO concept used in them allows for breaking the efficiency barriers encountered in traditional modules, resulting in significantly better utilization of the available roof area. This series was created for users who value impeccable aesthetics, offering an elegant Full Black finish that makes the installation an integral and discreet element of a modern building. Thanks to high resistance to degradation phenomena and excellent temperature parameters, these modules effectively solve the problem of power drops on hot days. This solution is dedicated primarily to demanding single-family home owners who expect maximum energy yields while maintaining the highest quality of workmanship. Compared to the competition, Q.TRON BLACK stands out with its exceptional performance in low-light conditions, which is key to optimizing system operation in the Polish climate zone. Investing in this series is a guarantee of stability and energy security, backed by rigorous quality control standards that exceed market norms, ensuring many years of trouble-free operation.

Ranking

321 panels in the segment N-type 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.80% 21.91% Typical 7,022
Power density 217.7 218.3 Typical 7,066
Temperature coefficient -0.300 -0.290 Weak · bottom 25% 6,093
Weight per kWp 48.0 51.2 Strong · top 19% 2,031
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 · 2 caution
Best for

Residential and hot-climate.

Not ideal for

Hot climates.

Strengths
48.0 kg per kWp

Top 19% of the N-type 400-450 W segment, against a median of 51.2.

Watch-outs
-0.300 %/°C temperature coefficient

Bottom 25% of the N-type 400-450 W segment, against a median of -0.290.

What owners get
N-type cells with Q.ANTUM NEO technology

N-type TOPCon cells in the Q.ANTUM NEO layout deliver a low temperature coefficient (-0.30%/°C) along with resistance to LeTID and PID degradation, translating into higher energy yield on hot days and under low-light conditions compared to older PERC modules.

30-year product and power warranty

A 30-year warranty covering both the product and power output exceeds the industry-standard 25 years offered by most competing series, including peer comparables such as Jinko Tiger Neo and Astronergy ASTRO N7s.

Tier-1 manufacturer with an established track record

Q-Cells (Hanwha Q Cells) is a bankable Tier-1 manufacturer headquartered in South Korea, operating since 1999, which lowers counterparty risk and simplifies project financing compared to less established brands.

Competitive efficiency in the premium segment

Efficiency of 21.8-22.3% and power output up to 445 Wp place the series on par with leading segment competitors such as Jinko Tiger Neo 54HL4R-BDB (22.27%) and Astronergy ASTRO N7s (22.3%).

Full Black aesthetic and bifacial technology

The sleek Full Black finish combined with bifacial technology pairs the visual appeal favored in residential installations with additional energy gain from the rear side of the module.

Trade-offs
Efficiency below the segment leader

Maximum efficiency of 22.3% trails Runergy HY-DH108N8B 425-445W, which achieves 22.8% at the same 445 Wp power output, meaning Q.TRON BLACK is not the efficiency leader among its peer comparables.

Notes from the database
  • Efficiency of 21.8% matches the N-type 400-450W median
  • Power density of 217.7 W/m² matches the N-type 400-450W median
  • At -0.30%/°C, hot weather performance is typical for N-type 400-450W panels
  • At 20.9 kg, this panel is 1.1 kg lighter than N-type 400-450W median (22.0 kg) - easier handling during installation
  • 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces

Specifications

Open datasheet PDF
Nominal power (Pmax) 435 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.80 % Typical Segment median 21.91%
Vmpp · Impp 29.54 V · 14.73 A Operating point at max power
Voc · Isc 34.49 V · 15.90 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 20.9 kg Strong Strong · 1.1 kg below median
Cells 96 · N-type Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.300 %/°C Weak bottom 25% of its segment
Coefficient Voc · Isc -0.250 · 0.040 %/°C
NOCT 45 °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 88.9 % Equals 387 W guaranteed
Degradation 1.50 → 0.33 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Q-Cells in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 435 Wp appear here. The rest cover the whole series.

Relative Efficiency Compared to Nominal Power vs. Years (Performance Warranty) Relative Efficiency Compared to Nominal Power vs. Years (Performance Warranty) Whole series Performance at Low Irradiance Performance at Low Irradiance 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
-0.300 %/°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.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Q-Cells Q.TRON BLK S-G3R.12+ / BFG 435Wp 435 W 21.80% -0.300 20.9 kg You are here
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +50 W, cooler, +2.5 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +50 W, cooler, +2.5 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +50 W, cooler, +2.5 pp
GK-5-54HG-485M 485 W 24.30% -0.260 21.0 kg +50 W, cooler, +2.5 pp
ZEUS 3.0+ 108 485WP 485 W 24.30% -0.260 24.2 kg +50 W, cooler, +2.5 pp
Q.TRON BLK S-G3R.12+ / BFG 440Wp 440 W 22.00% -0.300 20.9 kg Very close match
Q.TRON BLK S-G3R.12+ / BFG 445Wp 445 W 22.30% -0.300 20.9 kg +10 W, +0.5 pp
Q.TRON S-G3R.12+ / BFG 450 450 W 22.50% -0.300 20.9 kg +15 W, +0.7 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +75 W, cooler, +3.2 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +60 W, cooler, +3.0 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +70 W, cooler, +2.9 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +55 W, cooler, +2.7 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +65 W, cooler, +2.7 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +65 W, cooler, +2.7 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 is Q.ANTUM NEO technology in the Q.TRON BLACK series and why does it matter?
Q.ANTUM NEO is Q-Cells' proprietary N-type cell technology that advances beyond conventional PERC toward a TOPCon architecture. N-type cells feature lower light-induced degradation (LID) and a favorable temperature coefficient of -0.30%/°C, meaning the Q.TRON BLACK loses less power output on hot days compared to standard P-type modules. In practice, this translates into higher annual energy yields from the same roof area.
Is the Q.TRON BLACK a bifacial panel — what does that mean for a residential installation?
Yes, the Q.TRON BLACK is a bifacial module that generates electricity from both its front and rear surfaces. The rear side captures light reflected from the ground or rooftop surface (albedo effect), potentially boosting total energy output by several percentage points depending on surface type and color. On installations with lighter-colored roof surfaces the bifacial gain is especially pronounced.
What warranties are included with the Q-Cells Q.TRON BLACK, and do they cover power degradation?
The Q.TRON BLACK is backed by a 25-year product warranty and an exceptionally long 30-year linear power warranty. This means Q-Cells guarantees a specified percentage of nominal output power for three full decades of operation. As a Tier 1 manufacturer headquartered in South Korea, Q-Cells provides strong financial stability, which is an important safeguard for investors pursuing warranty claims.
How does the Q.TRON BLACK perform on overcast and cloudy days typical in Central Europe?
The Q.TRON BLACK series is engineered for strong low-light performance, which is critical in Poland where overcast and foggy days make up a substantial portion of the year. N-type Q.ANTUM NEO cells generate proportionally more energy under diffuse irradiance than older P-type PERC cells, resulting in better cumulative annual yields in the Central European climate zone.
What is the peak power output of the Q.TRON BLACK and is it worth the premium over cheaper modules?
The Q.TRON BLACK series reaches up to 445 Wp with efficiency exceeding 22%. Compared to cheaper P-type PERC modules, the Q.TRON BLACK offers a lower temperature coefficient (-0.30%/°C), a longer linear power warranty (30 years), and additional bifacial energy gain. For homeowners with limited roof space, these advantages frequently justify the higher upfront cost since more energy is harvested annually from the same number of panels.
Do Q.TRON BLACK modules integrate well aesthetically on a sloped roof with dark roof tiles?
Yes, the Q.TRON BLACK integrates seamlessly with dark roof tiles thanks to its Full Black finish — black frame, black backsheet, and black cells create a uniform, sleek appearance that blends into the building facade. The module is certified for snow loads up to 8100 Pa and wind loads up to 3600 Pa, meeting Polish building code requirements. Standard racking systems are fully compatible with these modules; no special mounting hardware is required.
Add to compare