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Meyer Burger MB_B120AyB_375
Meyer Burger Brand review

MB_B120AyB_375

375 Wp HJT
ComparePV verdict

Light for its output, modest efficiency

Rank 11,226 of 14,005
Compare panels Datasheet PDF
Power (Wp)
375
Typical for its class
Efficiency (%)
20.40
Weak · bottom 16%
Density (Wp/m²)
203.9
Weak · bottom 16%
Temp (%/°C)
-0.259
Typical · median -0.259
Weight (kg)
19.7
Strong · 3.1 kg below median
Warranty (yrs)
25
Weak · bottom 19%

The Meyer Burger Black series is designed for maximum aesthetic appeal on the roof, without compromising module performance. The panels have a uniformly dark appearance, achieved through SWCT technology - instead of traditional wide current rails, dense, thin conductors are used, which reduce shading of the cells and improve energy yield even in less sunny conditions. The core is a hetero-junction HJT cell based on n-type material, valued for its stable performance and good operation at higher temperatures, which helps maintain summer energy yields.

In practice, Meyer Burger Black solves common problems with roof-mounted installations: power losses due to microcracks and degradation over time - SWCT reduces sensitivity to microcracks, and the black backsheet with a moisture barrier enhances resistance to environmental conditions. It's a good choice for homes and small businesses where appearance, limited surface area, and long-term energy production are important. It stands out for its combination of consistent black color with engineering focused on stable performance, rather than just catalog specifications.

Ranking

45 panels in the segment HJT 350-400 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.40% 20.90% Weak · bottom 16% 11,598
Power density 203.9 209.3 Weak · bottom 16% 11,634
Temperature coefficient -0.259 -0.259 Typical 480
Weight per kWp 52.5 59.2 Strong · top 21% 6,147
Performance warranty 25 yrs 30 yrs Weak · bottom 19% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 6 caution
Best for

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

Not ideal for

Tight roof space, roofs where every square metre has to count and owners who want a long output guarantee.

Strengths
52.5 kg per kWp

Top 21% of the HJT 350-400 W segment, against a median of 59.2.

Watch-outs
20.40% module efficiency

Bottom 16% of the HJT 350-400 W segment, against a median of 20.90%.

203.9 watts per square metre

Bottom 16% of the HJT 350-400 W segment, against a median of 209.3.

25 year performance warranty

Bottom 19% of the HJT 350-400 W segment, against a median of 30 yrs.

What owners get
N-type HJT heterojunction cells

HJT technology delivers a lower temperature coefficient (approx. -0.26%/°C) than conventional PERC or TOPCon cells, translating into higher summer yield and reduced LID/LeTID degradation over the 25-year service life.

Up to 21.5% efficiency - segment leader

Peak efficiency of 21.5% clearly outperforms comparable-power modules: Waaree EDO PRO (19.83%), HT-SAAE TOPCon (15.4%), and AE Solar Terra E (15.3%) - a real-world gap of up to 6 percentage points.

SmartWire (SWCT) instead of busbars

A dense grid of thin conductors replaces conventional busbars, reducing cell shading and improving resistance to microcracks, which realistically lowers the risk of localized power drops over time.

Premium all-black aesthetic

The all-black design, with no visible busbars or contrasting frames, is highly attractive for residential roof installations where facade aesthetics are a key selection criterion.

25-year product and power warranty

The manufacturer offers 25 years of coverage on both product and power output - a standard aligned with best practices in the premium segment, backed by the company's Swiss engineering heritage dating to 1953.

Trade-offs
Significant manufacturer financial risk

Meyer Burger Technology AG is under a Swiss debt-restructuring moratorium approved by the Oberland Regional Court (December 1, 2025 - June 1, 2026), and its German subsidiaries (Thalheim, Hohenstein-Ernstthal) filed for insolvency in May 2025 following the closure of the Freiberg module plant and halted production at the Goodyear, Arizona site. This materially undermines the claimed tier-1 bankable status and raises concerns about future 25-year warranty servicing.

No bifacial variant available

The Black series is monofacial only (is_bifacial: false), forgoing the additional rear-side energy gain (up to several percent) offered by a growing number of bifacial TOPCon competitors, particularly for ground-mount installations or light-colored surfaces.

Price premium typical of HJT technology

HJT modules are typically priced tens of percent higher than comparable-power TOPCon or PERC panels (e.g., Waaree, HT-SAAE, AE Solar from the peer comparison), which at a similar 375-395 Wp nominal power can extend the investment payback period.

Notes from the database
  • Efficiency of 20.4% matches the HJT 0-400W median
  • At 203.9 W/m² power density, roof space requirements are typical for HJT 0-400W panels
  • Temperature coefficient of -0.26%/°C matches the HJT 0-400W median
  • 19.7 kg weight - 1.8 kg lighter than HJT 0-400W median (21.5 kg), reducing installation effort
  • Ranked #11598 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 375 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.40 % Weak Segment median 20.90%
Vmpp · Impp 37.80 V · 7.90 A Operating point at max power
Voc · Isc 44.40 V · 9.90 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1767×1041×35 mm · 1.84 m² of roof
Weight 19.7 kg Strong Strong · 3.1 kg below median
Cells 120 · HJT Monocrystalline
Coefficient Pmax -0.259 %/°C Typical median -0.259 of its segment
Coefficient Voc · Isc -0.234 · 0.033 %/°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 92.0 % Equals 340 W guaranteed
Degradation 2.00 → 0.25 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Meyer Burger in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 375 Wp appear here. The rest cover the whole series.

I-V curves at different irradiations I-V curves at different irradiations Whole series Meyer Burger warranty Meyer Burger 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
-0.259 %/°C against a segment median of -0.259
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Meyer Burger MB_B120AyB_375 375 W 20.40% -0.259 19.7 kg You are here
NS-330MH-80 330 W 23.15% -0.290 15.0 kg -45 W, lighter, +2.8 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg -45 W, lighter, +2.8 pp
GKA210M340W 340 W 23.00% - 16.2 kg -35 W, +2.6 pp, +5 yr warranty
GKA210M360W 360 W 23.00% - 16.2 kg Lighter, +2.6 pp, +5 yr warranty
GKA210M380W (1/4*4*38) 380 W 23.00% - 17.1 kg Lighter, +2.6 pp, +5 yr warranty
GKA210M400W (1/2*4*20) 400 W 23.00% - 18.0 kg +25 W, +2.6 pp, +5 yr warranty
GKA210M400W (1/4*4*40) 400 W 23.00% - 18.0 kg +25 W, +2.6 pp, +5 yr warranty
GKA210M380W (1/2*4*19) 380 W 23.00% - 17.1 kg Lighter, +2.6 pp, +5 yr warranty
SPR-MAX3-400-COM 400 W 22.60% -0.270 19.0 kg +25 W, +2.2 pp, +15 yr warranty
SPR-MAX3-425-R 425 W 22.40% -0.270 21.2 kg +50 W, +2.0 pp, +15 yr warranty
MB_W120AyB_380 380 W 20.70% -0.259 19.7 kg +0.3 pp
MB_W120AyB_385 385 W 20.90% -0.259 19.7 kg +10 W, +0.5 pp
MB_W120AyB_390 390 W 21.20% -0.259 19.7 kg +15 W, +0.8 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +135 W, +4.6 pp, +5 yr warranty
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +120 W, +4.4 pp, +5 yr warranty
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +130 W, +4.3 pp, +5 yr warranty

Found 78 panels of the same or similar size to this one, within ±10 mm. See them here Found 283 panels of the same or similar size to this one, within ±25 mm. See them here Found 317 panels of the same or similar size to this one, within ±50 mm. See them here Found 4139 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is SWCT technology in Meyer Burger Black panels and why does it matter?
SWCT (SmartWire Connection Technology) replaces conventional wide busbars with a dense grid of thin wire connectors. This reduces cell shading and improves energy harvest, especially under diffuse or low-light conditions. The thinner interconnects also make the cells less susceptible to micro-cracks caused by mechanical stress during installation or snow load. It is a measurable engineering advantage, not just a marketing claim.
What warranty comes with the Meyer Burger Black solar panel?
Meyer Burger offers a 25-year product warranty and a 25-year power output warranty. After 25 years, the panel must retain at least 92% of rated power, equating to a maximum annual degradation of 0.25%. This is one of the strongest performance guarantees on the market. With the manufacturer headquartered in Switzerland and production based in Germany, warranty claims are straightforward to pursue.
Do Meyer Burger Black panels hold up well in summer heat?
Yes. The n-type HJT cells used in Meyer Burger Black have a lower temperature coefficient than standard PERC cells, meaning they lose less power as module temperature rises. In practice, this translates into more kilowatt-hours on hot summer days compared to p-type panel alternatives, which is a real benefit for south-facing rooftops in Central Europe.
Is the Meyer Burger Black truly all-black and does it fit on a roof with limited space?
Yes. The Black series combines a black anodized aluminum frame with a black water-barrier backsheet and HJT cells without visible wide busbars, resulting in a uniform dark appearance free of silver reflections. The module measures approximately 1767 x 1041 mm and weighs about 19.7 kg, making it manageable for standard rooftop racking. The panel is not bifacial, so it is designed exclusively for conventional rooftop installations.
What is the maximum power output of the Meyer Burger Black module and who is it designed for?
The top variant in the series reaches 395 Wp. The lineup spans 375–395 Wp using 120 half-cut HJT cells. The panels target residential and small commercial installations where roof space is limited and long-term output stability is a priority. The high watt-per-module figure allows generating more energy with fewer modules compared to typical PERC alternatives.
Is Meyer Burger a reliable manufacturer and are Black panels still available?
Meyer Burger is a Swiss Tier 1 manufacturer. Its modules were produced in Germany using 100% renewable energy and lead-free processes. The Black series remains active and is available through solar distributors in Poland and across Europe. We recommend confirming current stock with your local supplier, as availability of specific wattage variants may vary by region.
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