--- title: "DMEGC DM435M10RT-B54HBB-L 435W Solar Panel - Specs & Review | ComparePV" description: "DMEGC DM435M10RT-B54HBB-L 435W solar panel. Specs: 21.80% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm435m10rt-b54hbb-l" updated: 2026-09-11 --- # DMEGC DM435M10RT-B54HBB-L Light for its output, no clear weak spot 1,218 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** DMEGC - **Model:** DM435M10RT-B54HBB-L - **Series:** DMxxxM10RT-B54HBB-L - **Rated power:** 435 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 400-450 W (1218 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 435 W | 435 W | Typical | | | Module efficiency | 21.80% | 22.00% | Typical | 7,022 | | Power density | 217.7 | 220.2 | Typical | 7,066 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 20.4 kg | 22.0 kg | Strong - top 9% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.80% | 22.00% | Typical | 7,022 | | Power density | 217.7 | 220.2 | Typical | 7,066 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 46.9 | 51.4 | Strong - top 9% | 1,392 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **46.9 kg per kWp** - Top 9% of the TOPCon 400-450 W segment, against a median of 51.4. Ranked 1,392nd in the whole database. - **Best for:** Residential and commercial. ## Specification ### Electrical - **Rated power (Pmax):** 435 W - **Efficiency:** 21.80 % - **Voltage at Pmax (Vmp):** 32.64 V - **Current at Pmax (Imp):** 13.33 A - **Open-circuit voltage (Voc):** 39.20 V - **Short-circuit current (Isc):** 13.83 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.048 %/degC - **NOCT:** 42 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 20.4 kg - **Area:** 2.00 m2 - **Power density:** 217.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 380 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 7022 of 14005 | | Power density | 7066 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 1392 of 14005 | | Warranty | 21 of 14005 | ## Pros - **N-type TOPCon – Lower Degradation** - N-type cells exhibit no LID (Light-Induced Degradation) effect and a lower annual power loss (max. 0.4%/year from year 2, with 99% retention in year 1) compared to PERC technology, translating into meaningfully higher cumulative energy yield over the full system lifetime. - **30-Year Linear Warranty ≥87.4% Power Output** - The manufacturer guarantees a minimum of 87.4% of nominal power after 30 years – exceeding the typical 25-year warranties common in the Full Black segment (e.g., Solitek SOLID Blackstar). The extended warranty horizon directly reduces financial risk for the investor. - **Glass-Glass Full Black Construction** - Dual-glass construction provides superior resistance to moisture ingress, thermal cycling, and mechanical loads compared to standard backsheet designs. The uniform black finish on both surfaces meets the aesthetic requirements of residential and C&I installations without compromising durability. - **Bifaciality ~80% ±5% – Rear-Side Energy Harvest** - A bifaciality factor of 80% (±5%) enables energy recovery from reflected irradiance – particularly effective over light-colored roofing membranes and gravel ballast substrates. For a typical installation on a white membrane, the yield gain may reach 5–10% relative to a monofacial module. - **BNEF Tier 1 – Bankability (Q3 2025)** - DMEGC has maintained Tier 1 status in the BloombergNEF module maker ranking at least from 2024 through Q3 2025, confirming the product's bankability – a key criterion for projects requiring debt financing or portfolio insurance. ## Cons - **21.8% Efficiency – Below Peer Group** - Direct peer comparables (Luxen Solar LUXPOWER N5, ZNShine ZXM7-UHLDD108) achieve 22.28% efficiency at the same 435 W power class, meaning the DMEGC module occupies approximately 2.4% more area (≈1.998 m² vs. ≈1.952 m²) for equivalent output. On rooftops with limited usable area, this difference may be decisive in favor of a competing series. ## About this series The DMEGC DMxooM10RT-B54HBB-L series are modules designed for installations where aesthetics, stable performance, and long-term predictable yield are equally important. These are **Full Black** modules with a **glass-glass** construction, ensuring the panel looks cohesive on the roof and better withstands typical operational stresses, such as temperature cycles and humidity. The use of **N-type cells** supports lower degradation over time and more reliable parameters in long-term operation, directly translating to more stable energy production. An additional benefit is **bifaciality**, which allows recovering part of the energy from reflected light - especially beneficial on light roof coverings, membranes, and surfaces. This is a good option for demanding residential rooftops and C&I projects where appearance, durability, and real optimization of yield without chasing lab tables matter. In practice, the series stands out through the combination of meticulously developed black aesthetics with a technology focused on reliability and better performance in less-than-ideal lighting conditions. ## Notable figures - Efficiency of 21.8% matches the \*\*TOPCon 400-450W\*\* median - At 217.7 W/m² power density, roof space requirements are typical for \*\*TOPCon 400-450W\*\* panels - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 400-450W\*\* panels - Weight of 20.4 kg (1.6 kg below \*\*TOPCon 400-450W\*\* median of 22.0 kg) allows easier transport and roof mounting - Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof ## Questions ### What warranty coverage applies to the DMEGC DMxxxM10RT-B54HBB-L series and what does it include? The DMxxxM10RT-B54HBB-L series carries a 25-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. The linear power warranty means the manufacturer guarantees that module output will remain above specified thresholds throughout three decades of operation. DMEGC is listed on the Bloomberg NEF Tier 1 ranking, which lends meaningful credibility to these warranty commitments. ### Does the glass-glass construction of the DMxxxM10RT-B54HBB-L series genuinely improve module durability? Yes. This series replaces the conventional backsheet with a second glass layer — each pane measuring 1.6 mm thick. The resulting structure withstands freeze-thaw cycling more effectively, offers superior resistance to moisture ingress and water vapor transmission, and protects cells against microcracks caused by mechanical loading. For rooftop installations expected to last 25–30 years, this represents a meaningful advantage over standard laminate construction. ### Does the bifacial design of the DMEGC DMxxxM10RT-B54HBB-L make practical sense on a typical pitched tile roof? It depends on the surface beneath the array. The series has a bifaciality factor of approximately 80%, but the bifacial gain is most pronounced on highly reflective surfaces such as white roofing membranes, light-colored gravel, or snow. On dark roof tiles, the additional yield is marginal. On flat roofs with a light-colored membrane, or in ground-mounted systems, the bifacial effect can translate into a real energy yield increase in the range of 5–15%. ### What practical advantage does N-type TOPCon technology offer over older PERC modules in a residential installation? N-type TOPCon cells exhibit a lower annual degradation rate and reduced susceptibility to LID (Light Induced Degradation), which typically reduces output in PERC modules during the first months of operation. The power temperature coefficient is -0.29%/°C, resulting in better performance on hot days. In practice, this translates to more stable energy generation throughout the entire lifecycle of the installation. ### Will a 435 Wp DMEGC DMxxxM10RT-B54HBB-L module fit on the roof of a typical two-family home? The module dimensions are 1762 × 1134 × 30 mm with a weight of approximately 20.4 kg. This is a compact M10 format that accommodates standard roof pitches without difficulty. A 10 kWp system requires approximately 23 modules and around 42 m² of roof area. Compared to larger-format modules (G12), the lower unit weight makes handling and installation logistics considerably easier. ### Who is the DMEGC DMxxxM10RT-B54HBB-L series best suited for and when is it worth considering? This series is primarily aimed at installations where aesthetics matter: street-facing rooftops, architectural projects, and commercial & industrial (C&I) applications requiring a uniform black appearance. The Full Black finish combined with N-type TOPCon technology and glass-glass construction makes it an excellent choice wherever both visual appeal and long-term reliability are required — without compromising on energy yield. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ae02782-dmxxxm10rt-b54hbb-l-zonnepaneel-fa8bfb2799da.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar JAT54S40-485/LR](https://comparepv.com/panel/ja-solar-jat54s40-485-lr) | 485 W | +50 W, cooler, +2.5 pp | | [AIKO AIKO-A485-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a485-mce54mw) | 485 W | +50 W, cooler, +2.5 pp | | [AIKO AIKO-A485-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a485-mah54mw) | 485 W | +50 W, cooler, +2.5 pp | | [Gokin GK-5-54HG-485M](https://comparepv.com/panel/gokin-gk-5-54hg-485m) | 485 W | +50 W, cooler, +2.5 pp | | [Heckert Solar ZEUS 3.0+ 108 485WP](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-485wp) | 485 W | +50 W, heavier, +2.5 pp | | [DMEGC DM440M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm440m10rt-54hsw-hbw) | 440 W | Very close match | | [DMEGC DM445M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm445m10rt-54hsw-hbw) | 445 W | +10 W, +0.5 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +75 W, cooler, +3.2 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +60 W, cooler, +3.0 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +70 W, cooler, +2.9 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +55 W, cooler, +2.7 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +65 W, cooler, +2.7 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +65 W, cooler, +2.7 pp | --- Source: https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm435m10rt-b54hbb-l Not in this file, on the page: a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.