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VSUN Brand review

VSUN575N-144BMH-DG

575 Wp TOPCon Bifacial 80%
ComparePV verdict

Middle of its segment, heavy for its output

Rank 4,931 of 14,005
Compare panels Datasheet PDF
Power (Wp)
575
Typical for its class
Efficiency (%)
22.28
Typical · median 22.44%
Density (Wp/m²)
222.6
Typical · median 224.4
Temp (%/°C)
-0.300
Typical · median -0.290
Weight (kg)
32.7
Weak · 1.5 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The VSUN VSUN75N-144BMH-DG series is designed for installations where long-term stable energy production is crucial, even in challenging weather conditions and less-than-ideal mounting environments. The use of N-type TOPCon cells helps minimize power losses over time and improves the module's performance at higher temperatures, which translates to more predictable energy yields in the Polish climate. The bifacial design allows for the utilization of reflected light from the ground, enabling the installation to "harvest" additional energy, for example, on a light-colored roof, gravel, or in a ground-mounted system. Another key advantage is the dual-glass construction, which increases resistance to moisture, micro-cracks, and material aging, a common issue with cheaper panels using traditional backsheets. The series is suitable for C&I and PV farm projects, as well as for demanding prosumers who expect high durability and better performance in partially shaded conditions, as well as long-term cost-effectiveness.

Ranking

1,018 panels in the segment TOPCon 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.28% 22.44% Typical 5,403
Power density 222.6 224.4 Typical 5,549
Temperature coefficient -0.300 -0.290 Typical 6,093
Weight per kWp 56.9 53.8 Weak · bottom 12% 10,909
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
Best for

Commercial, utility-scale and shaded-installations.

Not ideal for

Weight-limited structures.

Watch-outs
56.9 kg per kWp

Bottom 12% of the TOPCon 550-600 W segment, against a median of 53.8.

Notes from the database
  • Efficiency of 22.3% matches the TOPCon 550-600W median
  • At 222.6 W/m² power density, roof space requirements are typical for TOPCon 550-600W panels
  • Temperature coefficient of -0.30%/°C matches the TOPCon 550-600W median
  • At 32.7 kg (1.5 kg above TOPCon 550-600W median of 31.2 kg), requires checking roof load capacity
  • Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof

Specifications

Open datasheet PDF
Nominal power (Pmax) 575 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.28 % Typical Segment median 22.44%
Vmpp · Impp 43.12 V · 13.33 A Operating point at max power
Voc · Isc 51.36 V · 14.31 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2278×1134×35 mm · 2.58 m² of roof
Weight 32.7 kg Weak Weak · 1.5 kg above median
Cells 144 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.300 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
NOCT 45 °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 503 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by VSUN in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 575 Wp appear here. The rest cover the whole series.

Additional value from VSUN's linear warranty Additional value from VSUN's linear warranty Whole series Current-Voltage and Power-Voltage Curves at Different Irradiance (25°C) Current-Voltage and Power-Voltage Curves at Different Irradiance (25°C) 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
-0.300 %/°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
VSUN VSUN575N-144BMH-DG 575 W 22.28% -0.300 32.7 kg You are here
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +2.5 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +2.3 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg Cooler, 16 kg lighter, +2.1 pp
JAT60S40-540/LR 540 W 24.40% -0.260 23.5 kg Cooler, lighter, +2.1 pp
GK-5-60HG-540M 540 W 24.40% -0.260 23.3 kg Cooler, lighter, +2.1 pp
JKM545-54QL6-DV-F1-EU 545 W 24.27% -0.260 27.5 kg Cooler, lighter, +2.0 pp
AIKO-A625-MAH72Dw 625 W 24.20% -0.260 32.5 kg +50 W, cooler, +1.9 pp
VSUN535-144MH 535 W 20.71% -0.320 28.8 kg -40 W, -1.6 pp, -5 yr warranty
VSUN540-144MH 540 W 20.90% -0.320 28.8 kg Lighter, -1.4 pp, -5 yr warranty
VSUN545-144MH 545 W 21.10% -0.320 28.8 kg Lighter, -1.2 pp, -5 yr warranty
VSUN550-144BMH 550 W 21.29% -0.320 28.8 kg -25 W, lighter, -1.0 pp
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +75 W, lighter, +2.9 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +70 W, lighter, +2.7 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +65 W, lighter, +2.5 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +60 W, lighter, +2.3 pp
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg +55 W, cooler, +2.1 pp

Found 2326 panels of the same or similar size to this one, within ±10 mm. See them here Found 2368 panels of the same or similar size to this one, within ±25 mm. See them here Found 2382 panels of the same or similar size to this one, within ±50 mm. See them here Found 2547 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
How do N-type TOPCon cells in the VSUN75N-144BMH-DG differ from standard PERC cells?
N-type TOPCon cells have lower first-year degradation and degrade more slowly over subsequent years compared to cheaper P-type PERC cells. The VSUN75N-144BMH-DG reaches up to 22.26% efficiency and a power temperature coefficient of -0.30%/°C, meaning smaller output losses on hot days compared to older-generation modules. In practice, this translates into higher and more stable energy yields throughout the system's operating life.
How much extra energy does a bifacial VSUN75N-144BMH-DG installation produce compared to a standard panel?
The bifacial design captures part of the light reflected off the surface beneath the array. The actual gain depends on ground albedo and mounting height - on light-colored gravel or white roofing with ground-mount installations, you can expect several to over a dozen percent more annual energy than from a monofacial panel of the same 575 Wp rating. On a typical pitched roof with dark shingles, the bifacial gain will be much smaller.
What warranty covers the VSUN75N-144BMH-DG series and what does it include?
The manufacturer provides a 12-year product warranty covering material and workmanship defects, plus a 30-year linear power warranty guaranteeing a minimum of 87.4% of initial power output by the end of that period. This exceeds the standard 25-year terms offered by many manufacturers, which matters when calculating long-term ROI over several decades.
Is the dual-glass VSUN75N-144BMH-DG heavier and harder to install on a pitched roof?
Yes, the dual-glass construction brings module weight to around 32.7 kg at dimensions of 2278x1134x35 mm, more than a typical backsheet panel. This requires a sturdier mounting structure and verifying roof load capacity beforehand, especially on older buildings. In return, users get better resistance to moisture ingress, microcracks, and laminate aging, which matters given the wide temperature swings common in the Polish climate.
Is VSUN a Tier 1 manufacturer, and is it trustworthy for a 30-year investment?
VSUN Solar is not currently on the Bloomberg NEF Tier 1 list, though it is headquartered in Germany and manufactures panels using TOPCon technology also used by leading producers. Tier 1 status mainly reflects financial standing and bankability scale, not product quality itself. Given a warranty as long as 30 years on power output, it's worth confirming local warranty service availability with your distributor before purchase.
How does the VSUN75N-144BMH-DG perform in low temperatures and frost?
Solar panels, including the VSUN75N-144BMH-DG, actually operate more efficiently in cooler conditions than in summer heat, since electrical efficiency rises as ambient temperature drops - the power temperature coefficient here is -0.30%/°C. This means that below the 25°C reference temperature, the module delivers relatively more power than on a hot day, which is beneficial in the Polish climate, especially during spring and autumn.
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