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Yingli YL440CF54 e/2
Yingli Brand review

YL440CF54 e/2

440 Wp TOPCon Bifacial 80%
ComparePV verdict

Light for its output, no clear weak spot

Rank 9,292 of 14,129
Compare panels Datasheet PDF
Power (Wp)
440
Typical for its class
Efficiency (%)
22.50
Strong · top 9%
Density (Wp/m²)
225.3
Strong · top 8%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
20.3
Strong · 1.7 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

The Yingli PANDA 3.0 Mini 1 series is designed for maximum energy yield in real-world operating conditions-especially when the installation does not have ideal exposure or frequently operates under diffuse light. The key advantage is the application of n-type TOPCon cells, which support stable production and help limit efficiency losses over the long term. These are also bifacial modules, capable of utilizing reflected light from the ground, effectively translating into a better energy balance without adding more panels. The "Mini" format facilitates the design of installations on rooftops with obstacles, near window frames, or in systems with multiple connections-where flexible adaptation is key. Additionally, the series features advanced surface passivation and optimized layer optics, enhancing the high efficiency of the cells. This is the choice for clients who demand high reliability in residential and commercial installations, as well as tangible benefits from every square meter of roof space.

Ranking

1,220 panels in the segment TOPCon 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.50% 22.00% Strong · top 9% 4,281
Power density 225.3 220.2 Strong · top 8% 4,158
Temperature coefficient -0.290 -0.290 Typical 2,220
Weight per kWp 46.1 51.5 Strong · top 7% 1,011
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

3 positive · 0 caution
Best for

Residential, commercial, shaded-installations and hot-climate.

Strengths
46.1 kg per kWp

Top 7% of the TOPCon 400-450 W segment, against a median of 51.5. Ranked 1,011th in the whole database.

225.3 watts per square metre

Top 8% of the TOPCon 400-450 W segment, against a median of 220.2. Ranked 4,158th in the whole database.

22.50% module efficiency

Top 9% of the TOPCon 400-450 W segment, against a median of 22.00%. Ranked 4,281st in the whole database.

Notes from the database
  • At 22.5% efficiency, this panel is on par with typical TOPCon 400-450W modules
  • Power density of 225.3 W/m² packs 5.1 W/m² more into the same footprint vs TOPCon 400-450W median (220.2 W/m²)
  • Temperature coefficient of -0.29%/°C matches the TOPCon 400-450W median
  • Weight of 20.3 kg (1.7 kg below TOPCon 400-450W median of 22.0 kg) allows easier transport and roof mounting
  • 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces

Specifications

Open datasheet PDF
Nominal power (Pmax) 440 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.50 % Strong Segment median 22.00%
Vmpp · Impp 32.27 V · 13.64 A Operating point at max power
Voc · Isc 38.87 V · 14.29 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 20.3 kg Strong Strong · 1.7 kg below median
Cells 108 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.240 · 0.042 %/°C
NOCT 42 °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 87.4 % Equals 385 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Yingli 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.

PANDA Linear Power Warranty (Degradation Curve) PANDA Linear Power Warranty (Degradation Curve) Whole series I-V / P-V Curves I-V / P-V Curves 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
-0.290 %/°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
Yingli YL440CF54 e/2 440 W 22.50% -0.290 20.3 kg You are here
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +50 W, cooler, +2.0 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +50 W, cooler, +2.0 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +45 W, cooler, +1.8 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +45 W, cooler, +1.8 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +45 W, cooler, +1.8 pp
GK-5-54HG-485M 485 W 24.30% -0.260 21.0 kg +45 W, cooler, +1.8 pp
ZEUS 3.0+ 108 485WP 485 W 24.30% -0.260 24.2 kg +45 W, heavier, +1.8 pp
YL390D-37e 1/2 / YL390D-37e 1500V 1/2 390 W 20.00% -0.350 21.5 kg -50 W, hotter, -2.5 pp
YL395D-37e 1/2 / YL395D-37e 1500V 1/2 395 W 20.20% -0.350 21.5 kg Hotter, -2.3 pp, -5 yr warranty
YL400D-37e 1/2 / YL400D-37e 1500V 1/2 400 W 20.50% -0.350 21.5 kg Hotter, -2.0 pp, -5 yr warranty
YL405D-37e 1/2 / YL405D-37e 1500V 1/2 405 W 20.70% -0.350 21.5 kg Hotter, -1.8 pp, -5 yr warranty
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +70 W, cooler, +2.5 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +55 W, cooler, +2.3 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +65 W, cooler, +2.2 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg +65 W, heavier, +2.2 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +60 W, cooler, +2.0 pp

Found 1797 panels of the same or similar size to this one, within ±10 mm. See them here Found 1928 panels of the same or similar size to this one, within ±25 mm. See them here Found 3413 panels of the same or similar size to this one, within ±50 mm. See them here Found 4007 panels of the same or similar size to this one, within ±100 mm. See them here

About the PANDA 3.0 Mini 1 series

6 answered

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

How does the Yingli PANDA 3.0 Mini 1 differ from standard monofacial panels?
The PANDA 3.0 Mini 1 is a bifacial module, meaning it generates power from both the front and rear side of the cell. This allows it to capture light reflected off the roof, terrace, or a light-colored surface, increasing real-world energy yield without adding extra panels. Combined with n-type TOPCon cells, this results in higher and more stable energy production throughout the day.
What warranty comes with the Yingli PANDA 3.0 Mini 1 panels?
The manufacturer provides a 12-year product warranty and a 30-year power output warranty. This means the module maintains the performance level specified in the datasheet for three decades, while any material or manufacturing defects are covered during the first 12 years of use.
Is the Mini format of the PANDA 3.0 series suitable for roofs with dormers or irregular shapes?
Yes, the Mini format was specifically designed for challenging roof surfaces such as dormers, chimneys, multi-pitch roofs, or limited installation space. The module's smaller footprint makes it easier to plan layouts where standard, larger panels simply won't fit, while a maximum output of up to 455 Wp still delivers strong energy yield from a compact surface area.
What is TOPCon technology and what advantage does it bring to the PANDA 3.0 Mini 1 panels?
TOPCon (Tunnel Oxide Passivated Contact) is an n-type cell technology that uses a thin oxide layer combined with doped silicon passivation to reduce electron losses at the cell surface. In practice this means higher efficiency, a lower power degradation rate over time, and better performance at high temperatures compared to older PERC-based technology.
Do Yingli PANDA 3.0 Mini 1 panels perform well on roofs with less-than-ideal sun exposure?
Yes, the series is designed for real-world operating conditions, including installations without an ideal south-facing exposure or those working under diffuse light. The bifacial construction further supports energy production even under partial shading or reflected light, improving overall energy yield compared to classic single-sided panels.
Is Yingli a reliable, established manufacturer for the European market?
Yingli is a Chinese manufacturer holding Tier 1 status, which confirms its financial stability, large production scale, and long-standing global market presence. This status matters when choosing a system, as it increases the likelihood that the manufacturer will remain available to honor warranty claims throughout the full 30-year power warranty period.
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