--- title: "Meyer Burger MB_B120AyB_395 395W Solar Panel - Specs & Review | ComparePV" description: "Meyer Burger MB_B120AyB_395 395W solar panel. Specs: 21.50% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/meyer-burger-mb-b120ayb-395" updated: 2026-09-11 --- # Meyer Burger MB\_B120AyB\_395 Light for its output, short guarantee 45 panels in the segment HJT 350-400 W ## Identity - **Manufacturer:** Meyer Burger - **Model:** MB\_B120AyB\_395 - **Series:** Meyer Burger Black - **Rated power:** 395 W - **Cell technology:** HJT ## How it compares Compared against segment HJT 350-400 W (45 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 395 W | 380 W | Strong - top 4% | | | Module efficiency | 21.50% | 20.90% | Strong - top 12% | 7,958 | | Power density | 214.7 | 209.3 | Strong - top 13% | 8,192 | | Temperature coefficient | -0.259 | -0.259 | Typical | 480 | | Weight (kg) | 19.7 kg | 22.8 kg | Strong - top 2% | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 19% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.50% | 20.90% | Strong - top 12% | 7,958 | | Power density | 214.7 | 209.3 | Strong - top 13% | 8,192 | | Temperature coefficient | -0.259 | -0.259 | Typical | 480 | | Weight per kWp | 49.9 | 59.2 | Strong - top 2% | 3,252 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 19% | 9,798 | ### Strengths - **49.9 kg per kWp** - Top 2% of the HJT 350-400 W segment, against a median of 59.2. Ranked 3,252nd in the whole database. - **21.50% module efficiency** - Top 12% of the HJT 350-400 W segment, against a median of 20.90%. - **214.7 watts per square metre** - Top 13% of the HJT 350-400 W segment, against a median of 209.3. ### Watch out for - **25 year performance warranty** - Bottom 19% of the HJT 350-400 W segment, against a median of 30 yrs. - **Best for:** Residential, commercial, shaded-installations and hot-climate. - **Not ideal for:** Owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 395 W - **Efficiency:** 21.50 % - **Voltage at Pmax (Vmp):** 39.20 V - **Current at Pmax (Imp):** 10.10 A - **Open-circuit voltage (Voc):** 44.70 V - **Short-circuit current (Isc):** 10.60 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.259 %/degC - **Temperature coefficient of Voc:** -0.234 %/degC - **Temperature coefficient of Isc:** 0.033 %/degC - **NOCT:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** HJT - **Cell count:** 120 ### Physical - **Length:** 1767 mm - **Width:** 1041 mm - **Thickness:** 35 mm - **Weight:** 19.7 kg - **Area:** 1.84 m2 - **Power density:** 214.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 92.0 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.25 % - **Output after 30 years:** 358 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 7958 of 14005 | | Power density | 8192 of 14005 | | Temperature coefficient | 480 of 14005 | | Weight | 3252 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **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. ## Cons - **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. ## About this series 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. ## Notable figures - 21.5% module efficiency - 0.9pp better than the \*\*HJT 0-400W\*\* median of 20.6% - Power density of 214.7 W/m² packs 8.3 W/m² more into the same footprint vs \*\*HJT 0-400W\*\* median (206.4 W/m²) - Temperature coefficient of -0.26%/°C matches the \*\*HJT 0-400W\*\* median - Weight of 19.7 kg (1.8 kg below \*\*HJT 0-400W\*\* median of 21.5 kg) allows easier transport and roof mounting - Ranked #7958 out of 14005 panels for efficiency in the database ## Questions ### 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. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ds-meyer-burger-black-en-1a5f315be1c2.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Luxor Solar LX-440M/182-108+GG](https://comparepv.com/panel/luxor-solar-lx-440m-182-108-gg) | 440 W | +45 W, +1.6 pp, +5 yr warranty | | [Gamko New Energy GKA210M360W](https://comparepv.com/panel/gamko-new-energy-gka210m360w) | 360 W | -35 W, +1.5 pp, +5 yr warranty | | [Gamko New Energy GKA210M380W (1/4\*4\*38)](https://comparepv.com/panel/gamko-new-energy-gka210m380w-1-4-4-38) | 380 W | Lighter, +1.5 pp, +5 yr warranty | | [Gamko New Energy GKA210M400W (1/2\*4\*20)](https://comparepv.com/panel/gamko-new-energy-gka210m400w-1-2-4-20) | 400 W | Lighter, +1.5 pp, +5 yr warranty | | [Gamko New Energy GKA210M400W (1/4\*4\*40)](https://comparepv.com/panel/gamko-new-energy-gka210m400w-1-4-4-40) | 400 W | Lighter, +1.5 pp, +5 yr warranty | | [Gamko New Energy GKA210M380W (1/2\*4\*19)](https://comparepv.com/panel/gamko-new-energy-gka210m380w-1-2-4-19) | 380 W | Lighter, +1.5 pp, +5 yr warranty | | [Jetion JT440SYK(B)](https://comparepv.com/panel/jetion-jt440syk-b) | 440 W | +45 W, +1.4 pp, +5 yr warranty | | [Luxor Solar LX-440M/182-108+](https://comparepv.com/panel/luxor-solar-lx-440m-182-108) | 440 W | +45 W, hotter, +1.4 pp | | [Meyer Burger MB\_B120AyB\_375](https://comparepv.com/panel/meyer-burger-mb-b120ayb-375) | 375 W | -20 W, -1.1 pp | | [Meyer Burger MB\_W120AyB\_380](https://comparepv.com/panel/meyer-burger-mb-w120ayb-380) | 380 W | -15 W, -0.8 pp | | [Meyer Burger MB\_W120AyB\_385](https://comparepv.com/panel/meyer-burger-mb-w120ayb-385) | 385 W | -10 W, -0.6 pp | | [Meyer Burger MB\_W120AyB\_390](https://comparepv.com/panel/meyer-burger-mb-w120ayb-390) | 390 W | -0.3 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +115 W, +3.5 pp, +5 yr warranty | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +100 W, +3.3 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +110 W, +3.2 pp, +5 yr warranty | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +95 W, +3.0 pp, +5 yr warranty | --- Source: https://comparepv.com/panel/meyer-burger-mb-b120ayb-395 Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.