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SunKean Brand review

SKT440M10-108D5

440 Wp HJT Bifacial 84%
ComparePV verdict

Space saver, weak in heat

Rank 8,782 of 14,005
Compare panels Datasheet PDF
Power (Wp)
440
Typical for its class
Efficiency (%)
22.53
Strong · top 20%
Density (Wp/m²)
225.3
Strong · top 17%
Temp (%/°C)
-0.260
Weak · bottom 23%
Weight (kg)
23.4
Typical · median 23.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The SunKean SKT430~450M10-108D5 series consists of modules designed for high power density and stable operation in real-world installation conditions. The use of HJT technology and the half-cut design helps to minimize losses and improve efficiency, especially under partial shading and uneven soiling. In practice, this means more predictable energy production in residential and commercial installations, where conditions are often far from ideal.

A key feature is the double-glass construction, which increases resistance to environmental factors and supports longer, more reliable operation - especially important in rooftop systems exposed to wind, moisture, and temperature fluctuations. Furthermore, the modules are bifacial, meaning they can also utilize reflected light from the ground, which improves efficiency in situations where every additional percentage of production matters.

This is a good option for investors who prioritize durability, high performance, and long-term profitability, whether in micro-installations, on corporate rooftops, or in ground-mounted systems.

Ranking

113 panels in the segment HJT 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.53% 22.20% Strong · top 20% 3,982
Power density 225.3 221.6 Strong · top 17% 4,099
Temperature coefficient -0.260 -0.240 Weak · bottom 23% 511
Weight per kWp 53.2 52.4 Typical 7,009
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

2 positive · 1 caution
Best for

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

Not ideal for

Hot climates.

Strengths
225.3 watts per square metre

Top 17% of the HJT 400-450 W segment, against a median of 221.6.

22.53% module efficiency

Top 20% of the HJT 400-450 W segment, against a median of 22.20%.

Watch-outs
-0.260 %/°C temperature coefficient

Bottom 23% of the HJT 400-450 W segment, against a median of -0.240.

Notes from the database
  • At 22.5% efficiency, this panel is on par with typical HJT 400-450W modules
  • At 225.3 W/m² power density, this panel generates 3.7 W/m² more per unit area than HJT 400-450W median (221.6 W/m²)
  • -0.26%/°C temperature coefficient - 0.02pp worse than HJT 400-450W median (-0.24%/°C), expect higher hot weather losses
  • Bifacial design (84% factor) captures reflected light - adds 4-13% yield on ground-mount or white roof
  • In the top 28% for efficiency among all HJT panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 440 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.53 % Strong Segment median 22.20%
Vmpp · Impp 35.12 V · 12.53 A Operating point at max power
Voc · Isc 41.91 V · 13.05 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 23.4 kg Typical Typical · median 23.0 kg
Cells 108 · HJT Monocrystalline
Bifaciality 84 % Rear output as a share of front
Coefficient Pmax -0.260 %/°C Weak bottom 23% of its segment
Coefficient Voc · Isc -0.240 · 0.040 %/°C
NOCT 44 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 88.0 % Equals 387 W guaranteed

Datasheet charts

Open datasheet PDF

Measured curves published by SunKean 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.

Current-Voltage (I-V) Curves Current-Voltage (I-V) Curves Whole series Power-Voltage (P-V) Curves Power-Voltage (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
-0.260 %/°C against a segment median of -0.240
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Alternatives

All SunKean panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
SunKean SKT440M10-108D5 440 W 22.53% -0.260 23.4 kg You are here
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +50 W, lighter, +2.0 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +50 W, lighter, +2.0 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +45 W, lighter, +1.8 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +45 W, lighter, +1.8 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +45 W, lighter, +1.8 pp
GK-5-54HG-485M 485 W 24.30% -0.260 21.0 kg +45 W, lighter, +1.8 pp
ZEUS 3.0+ 108 485WP 485 W 24.30% -0.260 24.2 kg +45 W, +1.8 pp
SKT345M10 345 W 17.70% -0.290 20.5 kg -95 W, -4.8 pp, -5 yr warranty
SKT350M10 350 W 17.90% -0.290 20.5 kg -90 W, -4.6 pp, -5 yr warranty
SKT355M10 355 W 18.20% -0.290 20.5 kg -85 W, -4.3 pp, -5 yr warranty
SKT360M10 360 W 18.40% -0.290 20.5 kg -80 W, -4.1 pp, -5 yr warranty
SKT365M10 365 W 18.70% -0.290 20.5 kg -75 W, -3.8 pp, -5 yr warranty
SKT385M10 385 W 19.80% -0.350 23.4 kg -55 W, hotter, -2.7 pp
SKT390M10 390 W 20.00% -0.350 23.4 kg -50 W, hotter, -2.5 pp
SKT395M10 395 W 20.20% -0.350 23.4 kg -45 W, hotter, -2.3 pp
SKT400M10 400 W 20.50% -0.350 23.4 kg -40 W, hotter, -2.0 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +70 W, cooler, +2.5 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
What is HJT technology in the SunKean SKT430~450M10-108D5 series, and how does it compare to PERC?
HJT (Heterojunction Technology) combines a monocrystalline silicon wafer with thin amorphous silicon layers, enabling module efficiency of around 23%. Compared to standard PERC cells, HJT modules carry a lower temperature coefficient (approx. -0.26%/°C vs. -0.35%/°C), meaning less power loss on hot days. This is the core reason the SKT430~450M10-108D5 series achieves up to 450 W in a relatively compact form factor.
What warranty comes with the SunKean SKT430~450M10-108D5 panels, and what does it cover?
The manufacturer provides a 15-year product warranty covering materials and workmanship, plus a 30-year linear power warranty for the SKT430~450M10-108D5 series. The power warranty guarantees the module retains a specified output level — typically above 87.4% of rated power — over three full decades. The 30-year power guarantee is among the longest available in the residential and commercial PV market.
Are SunKean SKT430~450M10-108D5 panels suitable for pitched roofs with chimneys or dormers?
Yes, the SKT430~450M10-108D5 series is compatible with standard racking systems for pitched roofs. The half-cut cell layout splits each cell in two, so partial shading from a chimney or dormer has a reduced impact on total string output. The double-glass construction withstands mechanical loads up to 5,400 Pa, ensuring structural stability under high wind and snow accumulation.
How does bifacial generation work on the SunKean SKT430~450M10-108D5, and how much additional energy does the rear side contribute?
The bifacial design of the SKT430~450M10-108D5 series allows simultaneous energy generation from both the front and rear surfaces. Light reflected from the ground — gravel, concrete, white roofing membrane, or snow — can boost rear-side yield by 7–30%, depending on ground albedo and mounting clearance height. Ground-mount and flat-roof installations typically see the highest bifacial gain because the rear side has unobstructed access to reflected irradiance.
Do SunKean SKT430~450M10-108D5 panels perform well in winter and overcast conditions?
Yes. HJT technology delivers superior low-light performance compared to standard PERC or monoPERC cells, resulting in higher yield on cloudy days and during morning or evening hours. The low temperature coefficient (~-0.26%/°C) also means that in cold weather the module can momentarily exceed its rated power. The sealed double-glass encapsulation protects the cells from moisture ingress and freeze-thaw cycles.
Which inverters are compatible with SunKean SKT430~450M10-108D5 panels, and how should I size a string?
The SKT430~450M10-108D5 modules, with an MPP voltage of approximately 34–36 V and a short-circuit current of around 13 A, are compatible with most mainstream MPPT inverters including SMA, Fronius, Huawei, and SolarEdge. When designing the system, verify the inverter's MPPT input voltage range and size each string so that the open-circuit voltage at minimum expected temperature does not exceed the inverter's maximum DC input rating.
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