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SunKean SKT400M10
SunKean Brand review

SKT400M10

400 Wp PERC Bifacial
ComparePV verdict

Warranty pick, heavy for its output

Rank 11,400 of 14,129
Compare panels Datasheet PDF
Power (Wp)
400
Weak · bottom 9%
Efficiency (%)
20.50
Typical · median 20.60%
Density (Wp/m²)
204.8
Typical · median 206.2
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
23.4
Weak · 1.4 kg above median
Warranty (yrs)
30
Strong · top 17%

The SunKean SKT390~415M10 (All Black) series consists of monocrystalline modules based on M10 cells in a half-cut configuration, designed for high performance in real roof conditions. The use of PERC technology and cell splitting helps to minimize losses due to partial shading and reduces the risk of hotspot formation, resulting in more stable annual yields. The all-black aesthetic is also noteworthy - it's a good choice where a consistent look for the roof and facade is important, without compromising performance. The modules have a positive power tolerance, and the anti-reflective coating on the glass helps to better utilize light in less ideal sunlight conditions. Thanks to the IP68 enclosure sealing class, the series performs well in demanding weather conditions. This is a solution for residential and small commercial installations - particularly on roofs with limited surface area, where efficient energy extraction from every square meter is crucial.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.50% 20.60% Typical 11,389
Power density 204.8 206.2 Typical 11,450
Temperature coefficient -0.350 -0.350 Typical 10,489
Weight per kWp 58.5 53.0 Weak · bottom 18% 11,856
Performance warranty 30 yrs 25 yrs Strong · top 17% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 1 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Weight-limited structures.

Strengths
30 year performance warranty

Top 17% of the PERC 400-450 W segment, against a median of 25 yrs.

Watch-outs
58.5 kg per kWp

Bottom 18% of the PERC 400-450 W segment, against a median of 53.0.

Notes from the database
  • At 20.5% efficiency, this panel is on par with typical PERC 400-450W modules
  • Power density of 204.8 W/m² matches the PERC 400-450W median
  • At -0.35%/°C, hot weather performance is typical for PERC 400-450W panels
  • Weight of 23.4 kg is 1.4 kg above PERC 400-450W median (22.0 kg) - verify structural support
  • Ranked #11389 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 400 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.50 % Typical Segment median 20.60%
Vmpp · Impp 31.01 V · 12.90 A Operating point at max power
Voc · Isc 37.07 V · 13.79 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 Weak Weak · 1.4 kg above median
Cells 108 · PERC Monocrystalline
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.275 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Strong top 17% · median 25 yrs
End-of-warranty output 85.0 % Equals 340 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 400 Wp appear here. The rest cover the whole series.

Sunket Linear Warranty Sunket Linear 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
-0.350 %/°C against a segment median of -0.350
-

Alternatives

All SunKean panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
SunKean SKT400M10 400 W 20.50% -0.350 23.4 kg You are here
LX-440M/182-108+GG 440 W 23.07% -0.240 23.6 kg +40 W, cooler, +2.6 pp
JST-EDMH-(445-465)W-TD (450W class) 450 W 23.05% -0.300 20.5 kg +50 W, cooler, +2.6 pp
QNN182-HG450-54 450 W 23.04% -0.290 24.0 kg +50 W, cooler, +2.5 pp
HY440-N108BDD 450 W 23.04% -0.300 23.5 kg +50 W, cooler, +2.5 pp
NLBK-27-450 450 W 23.04% -0.300 22.9 kg +50 W, cooler, +2.5 pp
RS41-450NBG-E3 450 W 23.04% -0.290 24.5 kg +50 W, cooler, +2.5 pp
SKT345M10 345 W 17.70% -0.290 20.5 kg -55 W, cooler, -2.8 pp
SKT350M10 350 W 17.90% -0.290 20.5 kg -50 W, cooler, -2.6 pp
SKT355M10 355 W 18.20% -0.290 20.5 kg Cooler, -2.3 pp, -5 yr warranty
SKT360M10 360 W 18.40% -0.290 20.5 kg Cooler, -2.1 pp, -5 yr warranty
SKT365M10 365 W 18.70% -0.290 20.5 kg Cooler, -1.8 pp, -5 yr warranty
SKT385M10 385 W 19.80% -0.350 23.4 kg -15 W, -0.7 pp
SKT390M10 390 W 20.00% -0.350 23.4 kg -10 W, -0.5 pp
SKT395M10 395 W 20.20% -0.350 23.4 kg -0.3 pp
SKT405M10 405 W 20.80% -0.350 23.4 kg +0.3 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +110 W, cooler, +4.5 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 SKT390~415M10 series

6 answered

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

Is the SunKean SKT390~415M10 series still available for purchase?
The SunKean SKT390~415M10 (All Black) series has been discontinued and is no longer part of the manufacturer's active product lineup. Limited stock may still be available through select distributors - verify that any units come with full warranty documentation before purchasing. If you are planning a new installation, consider a current SunKean series with comparable specifications.
Why do the SunKean SKT390~415M10 panels have a fully black finish, and does it affect performance?
The SKT390~415M10 All Black series features black cells, a black frame, and a black backsheet, delivering a uniform, visually clean rooftop appearance with no silver elements. The darker surface absorbs slightly more heat than standard silver-frame modules, which can marginally reduce peak output at very high temperatures. In typical Central European climate conditions, however, this thermal effect is negligible and does not meaningfully impact annual energy yield.
Does the PERC half-cut cell technology in the SKT390~415M10 actually help with roof shading?
Yes. The M10 half-cut layout means that shade from a chimney, antenna mast, or dormer window only affects part of the cell string, allowing the remainder of the module to keep generating power undisturbed. PERC technology further improves carrier collection efficiency, resulting in more stable year-round output. The benefit is most noticeable on rooftops where partial shade falls on sections of the array during portions of the day.
What warranty does SunKean provide on the SKT390~415M10 series?
SunKean offers a 15-year product warranty covering manufacturing defects and workmanship, plus a 30-year linear power output warranty. This guarantees that the modules will retain a defined minimum percentage of their 415 Wp nominal power rating over three decades, with a predictable, gradual degradation curve. This is among the more comprehensive warranty terms in the residential and light-commercial PV segment.
Is the SKT390~415M10 a bifacial module, and how much extra energy can I expect from the rear side?
The SKT390~415M10 is rated as bifacial; however, the all-black backsheet absorbs a significant portion of rear-side irradiance, substantially limiting bifacial gain compared to modules with a white or transparent backsheet. In typical rooftop installations, the rear-side energy contribution is modest. The primary advantage of this series is its all-black aesthetic rather than maximizing bifacial energy harvest.
What size installation are the SunKean SKT390~415M10 panels best suited for?
With a peak output of up to 415 Wp, the SKT390~415M10 series is designed for residential prosumer systems and small commercial installations, typically ranging from 3 kWp to 50 kWp. The high power density enabled by the M10 cell format makes these modules especially effective on space-constrained rooftops where maximizing output per square meter is critical. The IP68-rated junction box also ensures reliable performance in demanding weather conditions.
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