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WINAICO Brand review

WST-450NFX54-B1 Full Black

450 Wp N-type Bifacial 2000%
ComparePV verdict

Middle of its segment, heavy for its output

Rank 5,271 of 14,129
Compare panels Datasheet PDF
Power (Wp)
450
Weak · bottom 8%
Efficiency (%)
22.50
Typical · median 22.52%
Density (Wp/m²)
225.2
Typical · median 225.3
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
25.0
Weak · 1.3 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The WST-NFX54-B1 Full Black series is built around N-type TOPCon cell technology in a glass-glass construction, designed for residential installations where both aesthetics and long-term reliability matter. Its bifacial cell design captures light reflected from the roof or ground surface, boosting energy yield without requiring additional roof space. The zero busbar layout reduces cell shading, directly translating into higher module output, while a dense, stacked soldering technique improves conversion efficiency without increasing panel dimensions. The glass surface is coated with a dual-layer film that gives the modules a deep, uniform black finish, making the Full Black variant well suited for installations where appearance matters as much as technical performance. Resistance to PID and LID degradation ensures stable output throughout the system's lifetime, lowering the risk of unplanned energy losses. This series is aimed at installers and homeowners looking for panels that combine modern cell technology, strong mechanical durability, and an attractive appearance, without having to trade efficiency for roof aesthetics.

Ranking

302 panels in the segment N-type 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.50% 22.52% Typical 4,281
Power density 225.2 225.3 Typical 4,284
Temperature coefficient -0.290 -0.290 Typical 2,220
Weight per kWp 55.6 49.7 Weak · bottom 13% 9,992
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 1 caution
Not ideal for

Weight-limited structures.

Watch-outs
55.6 kg per kWp

Bottom 13% of the N-type 450-500 W segment, against a median of 49.7.

Notes from the database
  • At 22.5% efficiency, this panel is on par with typical N-type 450-500W modules
  • At 225.2 W/m² power density, roof space requirements are typical for N-type 450-500W panels
  • At -0.29%/°C, hot weather performance is typical for N-type 450-500W panels
  • At 25.0 kg (1.3 kg above N-type 450-500W median of 23.7 kg), requires checking roof load capacity
  • #4281 for efficiency, #2220 for temperature performance out of 14129 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 450 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.50 % Typical Segment median 22.52%
Vmpp · Impp 33.39 V · 13.48 A Operating point at max power
Voc · Isc 39.40 V · 14.28 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×35 mm · 2.00 m² of roof
Weight 25.0 kg Weak Weak · 1.3 kg above median
Cells 108 · N-type Monocrystalline
Bifaciality 2000 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.043 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 30 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

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.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
WINAICO WST-450NFX54-B1 Full Black 450 W 22.50% -0.290 25.0 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +45 W, lighter, +2.3 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +40 W, lighter, +2.0 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +50 W, cooler, +2.0 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +50 W, lighter, +2.0 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg +50 W, lighter, +2.0 pp
GCL-NR10R/54BGDF 500 W 24.50% -0.260 24.6 kg +50 W, cooler, +2.0 pp
WST-465NCX48-BW 465 W 23.30% -0.280 25.0 kg +15 W, +0.8 pp
WST-470NCX48-AW 470 W 23.50% -0.280 25.0 kg +20 W, +1.0 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +60 W, cooler, +2.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +55 W, cooler, +2.2 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg +55 W, cooler, +2.2 pp

Found 1402 panels of the same or similar size to this one, within ±10 mm. See them here Found 1432 panels of the same or similar size to this one, within ±25 mm. See them here Found 3651 panels of the same or similar size to this one, within ±50 mm. See them here Found 3999 panels of the same or similar size to this one, within ±100 mm. See them here

About the WST-NFX54-B1 Series series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What is the maximum power output of WINAICO WST-NFX54-B1 solar panels?
Panels in the WST-NFX54-B1 series reach a maximum power output of up to 450 Wp. This result is achieved thanks to N-type TOPCon cells and zero busbar technology, which reduces cell shading and delivers higher power output without increasing module dimensions.
How do bifacial cells in the WST-NFX54-B1 differ from a standard monofacial panel?
Bifacial cells in the WST-NFX54-B1 series capture irradiance not only from the front but also from the rear of the module, utilizing light reflected from the roof, snow, or a bright surface. In practice, this results in additional energy yield, especially when mounted on light-colored surfaces, without using extra roof space.
What warranty comes with WINAICO WST-NFX54-B1 Full Black panels?
WINAICO provides a 30-year product warranty and a 30-year linear power output warranty. This means the panels are covered both against factory defects and gradual efficiency loss, giving investors long-term security for their investment.
Do Full Black WST-NFX54-B1 panels lose efficiency compared to standard silver-framed versions?
No, the dual coating on the glass responsible for the uniform black appearance does not negatively affect electrical parameters. The panel retains up to 450 Wp of power and the same resistance to PID and LID degradation, with the only difference being aesthetics, which matters for residential installations visible from the street.
What does PID and LID resistance mean in WINAICO panels, and is it important for buyers?
PID and LID are degradation mechanisms that can cause power loss over time, caused respectively by system voltage and light exposure during the first hours of operation. WST-NFX54-B1 panels are engineered to minimize these effects, resulting in stable energy production throughout the system's lifetime and lower risk of reduced return on investment.
Is WINAICO, a Taiwan-based manufacturer, a reliable brand in the solar panel market?
WINAICO is a Tier 1 manufacturer from Taiwan, operating for over a decade in demanding markets such as Europe and Japan. Tier 1 status indicates financial stability and proven bankability of projects, which matters when financing installations through banks or leasing, as well as for long-term warranty fulfillment.
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