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WINAICO Brand review

WST-400MGX-P1 Full Black

400 Wp Monocrystalline
ComparePV verdict

Middle of its segment, short guarantee

Rank 10,922 of 14,269
Compare panels Datasheet PDF
Power (Wp)
400
Weak · bottom 25%
Efficiency (%)
20.42
Typical · median 21.30%
Density (Wp/m²)
204.2
Typical · median 212.6
Temp (%/°C)
-0.350
Weak · bottom 24%
Weight (kg)
21.5
Typical · median 22.5 kg
Warranty (yrs)
25
Weak · bottom 19%

Ranking

6,662 panels in the 300-500 W band, all technologies
Metric This panel Median Position in segment Overall rank
Module efficiency 20.42% 21.30% Typical 11,769
Power density 204.2 212.6 Typical 11,779
Temperature coefficient -0.350 -0.300 Weak · bottom 24% 10,593
Weight per kWp 53.8 53.3 Typical 7,907
Performance warranty 25 yrs 30 yrs Weak · bottom 19% 10,001
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 2 caution
Not ideal for

Owners who want a long output guarantee and hot climates.

Watch-outs
25 year performance warranty

Bottom 19% of the 300-500 W band, against a median of 30 yrs.

-0.350 %/°C temperature coefficient

Bottom 24% of the 300-500 W band, against a median of -0.300.

Specifications

Open datasheet PDF
Nominal power (Pmax) 400 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.42 % Typical Segment median 21.30%
Vmpp · Impp 31.06 V · 12.88 A Operating point at max power
Voc · Isc 37.29 V · 13.69 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1726×1135×35 mm · 1.96 m² of roof
Weight 21.5 kg Typical Typical · median 22.5 kg
Cells 108 Monocrystalline
Coefficient Pmax -0.350 %/°C Weak bottom 24% of its segment
Coefficient Voc · Isc -0.280 · 0.040 %/°C
NOCT 44 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 25 years Weak bottom 19% · median 30 yrs
End-of-warranty output 85.3 % Equals 331 W guaranteed
Degradation 2.00 → 0.53 % 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
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.350 %/°C against a segment median of -0.300
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
WINAICO WST-400MGX-P1 Full Black 400 W 20.42% -0.350 21.5 kg You are here
LX-440M/182-108+GG 440 W 23.07% -0.240 23.6 kg Cooler, +2.6 pp, +5 yr warranty
JST-EDMH-(445-465)W-TD (450W class) 450 W 23.05% -0.300 20.5 kg +50 W, +2.6 pp, +5 yr warranty
QNN182-HG450-54 450 W 23.04% -0.290 24.0 kg +50 W, cooler, +2.6 pp
HY440-N108BDD 450 W 23.04% -0.300 23.5 kg +50 W, +2.6 pp, +5 yr warranty
NLBK-27-450 450 W 23.04% -0.300 22.9 kg +50 W, +2.6 pp, +5 yr warranty
RS41-450NBG-E3 450 W 23.04% -0.290 24.5 kg +50 W, cooler, +2.6 pp
WST-400MGX-P3 Full Black 400 W 20.44% -0.350 21.5 kg Very close match
WST-405MGX-E5 405 W 20.80% -0.320 21.7 kg Cooler, +0.4 pp
WST-410MGX-P3 410 W 20.95% -0.350 21.5 kg +10 W, +0.5 pp
WST-410MGX-E3 410 W 21.00% -0.340 21.6 kg +10 W, +0.6 pp
JKM510T-48HL6M-DB 510 W 25.52% -0.240 22.0 kg +110 W, cooler, +5.1 pp
JKM505T-48HL6M-DB 505 W 25.27% -0.240 22.0 kg +105 W, cooler, +4.8 pp
JKM500T-48HL6M-DB 500 W 25.02% -0.240 22.0 kg +100 W, cooler, +4.6 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +110 W, cooler, +4.6 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +95 W, cooler, +4.4 pp
JKM495T-48HL6M-DB 495 W 24.77% -0.240 22.0 kg +95 W, cooler, +4.3 pp

Found 1838 panels of the same or similar size to this one, within ±10 mm. See them here Found 1965 panels of the same or similar size to this one, within ±25 mm. See them here Found 3459 panels of the same or similar size to this one, within ±50 mm. See them here Found 4078 panels of the same or similar size to this one, within ±100 mm. See them here

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