--- title: "DMEGC DM435M10RT-54HSW/HBW 435W Solar Panel - Specs & Review | ComparePV" description: "DMEGC DM435M10RT-54HSW/HBW 435W solar panel. Specs: 21.77% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm435m10rt-54hsw-hbw" updated: 2026-09-11 --- # DMEGC DM435M10RT-54HSW/HBW Light for its output, weak in heat 1,218 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** DMEGC - **Model:** DM435M10RT-54HSW/HBW - **Series:** DMXXXM10RT-54HSW/HBW - **Rated power:** 435 W - **Cell technology:** TOPCon ## 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 | 21.77% | 22.00% | Typical | 7,233 | | Power density | 217.7 | 220.2 | Typical | 7,066 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 10% | 8,005 | | Weight (kg) | 20.6 kg | 22.0 kg | Strong - top 14% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.77% | 22.00% | Typical | 7,233 | | Power density | 217.7 | 220.2 | Typical | 7,066 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 10% | 8,005 | | Weight per kWp | 47.4 | 51.4 | Strong - top 14% | 1,645 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **47.4 kg per kWp** - Top 14% of the TOPCon 400-450 W segment, against a median of 51.4. ### Watch out for - **-0.310 %/°C temperature coefficient** - Bottom 10% of the TOPCon 400-450 W segment, against a median of -0.290. - **Best for:** Residential and commercial. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 435 W - **Efficiency:** 21.77 % - **Voltage at Pmax (Vmp):** 32.59 V - **Current at Pmax (Imp):** 13.35 A - **Open-circuit voltage (Voc):** 39.20 V - **Short-circuit current (Isc):** 13.78 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.310 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.060 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 20.6 kg - **Area:** 2.00 m2 - **Power density:** 217.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 20 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 | 7233 of 14005 | | Power density | 7066 of 14005 | | Temperature coefficient | 8005 of 14005 | | Weight | 1645 of 14005 | | Warranty | 21 of 14005 | ## Pros - **N-type TOPCon Technology with Low Degradation** - N-type TOPCon cells guarantee an annual degradation rate of max. 0.4% (from year 2 onward), translating to a minimum of 87.4% retained power output after 30 years. Legacy PERC modules typically degrade at 0.55–0.6%/year, retaining only approximately 82–84% of rated power over the same period. - **30-Year Linear Power Warranty** - The manufacturer guarantees a minimum of 99% power output in year 1 and a minimum of 87.4% after 30 years. Most 435 Wp modules from competing Tier-1 manufacturers (e.g., JA Solar, LONGi) ship with a standard 25-year warranty — DMEGC extends that horizon by 5 years at no additional cost. - **Manufacturer Credibility: BNEF Tier 1 and S&P Global** - DMEGC maintains Tier-1 status according to BloombergNEF (confirmed Q3 2025) and appears on the S&P Global Tier-1 list. The company is part of Hengdian Group (founded 1975), with DMEGC itself operating since 1980. Its 5th-place global ranking in the Wood Mackenzie 2025 report significantly reduces financing risk and after-sales support concerns. - **Only Tier-1 Manufacturer with DIBt Certification** - DMEGC is the only Tier-1 manufacturer in the world holding a DIBt (Deutsches Institut für Bautechnik) certificate for overhead applications. This is a significant competitive advantage for rooftop BIPV projects, carports, and pergolas where stringent structural building codes apply. - **Two Aesthetic Variants: HSW / HBW** - The HSW (silver frame) and HBW (black frame) variants allow the module to be matched to the building's architecture without any performance trade-off. In the prosumer and premium residential segments, this is a compelling sales argument for projects with visible roof surfaces. ## Cons - **21.77% Efficiency Below Peer Group** - Three direct comparators in the same 435 Wp power class achieve efficiencies of 22.27–22.28% (Luxen LUXPOWER N5, ZNShine ZXM7-UHLDD108, Solitek SOLID Blackstar). The ~0.5 percentage point gap means that for the same roof area (e.g., 30 m²), energy yield is realistically about 2.3% lower — a tangible difference particularly in small installations with limited available space. - **Monofacial Design — No Rear-Side Energy Gain** - The DMXXXM10RT-54HSW/HBW series is monofacial (is\_bifacial: false), which precludes any energy recovery from reflected irradiance. Compared to bifacial N-type TOPCon modules from the same manufacturer (e.g., the B54HSW/HBW series), potential energy yield on ground-mount, flat-roof, and carport installations is typically 5–15% lower. ## About this series The DMEGC DMXXXM10RT-54HSW/HBW series are 54-cell modules designed for high energy production even under non-ideal conditions. Utilizing **N-type cells in TOPCon technology** results in more stable performance over time and excellent efficiency in real-world installations where temperature losses and long-term reliability are key considerations. The **bifacial** design allows capturing additional yield from reflected radiation-this is a real advantage on light roof covers, ground-mounted systems, and carports. The HSW/HBW versions offer modern aesthetics thanks to **color coordination of the frame and finishing layers**, making them easy to integrate into buildings without compromising performance. Meanwhile, **dual glass** enhances environmental resistance and increases durability in projects exposed to moisture, salt, or intense sunlight. This is the series for installers and investors seeking to combine high craftsmanship, predictable yield, and ease of use in residential, flat roof, and commercial applications. ## Notable figures - At 21.8% efficiency, this panel is on par with typical \*\*TOPCon 400-450W\*\* modules - Power density of 217.7 W/m² matches the \*\*TOPCon 400-450W\*\* median - -0.31%/°C temperature coefficient - 0.02pp worse than \*\*TOPCon 400-450W\*\* median (-0.29%/°C), expect higher hot weather losses - 20.6 kg weight - 1.4 kg lighter than \*\*TOPCon 400-450W\*\* median (22.0 kg), reducing installation effort - Ranked #7233 out of 14005 panels for efficiency in the database ## Questions ### What do the HSW and HBW designations mean in the DMEGC DMXXXM10RT-54HSW/HBW series? The HSW and HBW designations differ exclusively in the module's color scheme. The HSW variant features a silver frame with a white backsheet, while the HBW variant has a black frame with a white backsheet. The electrical parameters, maximum power output (up to 435 W), and warranties are identical across both versions. The choice depends on the aesthetic requirements of the roof or building facade, with no performance compromises whatsoever. ### What warranty is provided for the DMEGC DMXXXM10RT-54HSW/HBW panels? The manufacturer provides a 20-year product warranty (covering materials and workmanship) and a 30-year linear power output warranty. After 30 years, the module is guaranteed to retain at least 87.4% of its nominal power. This is one of the longest warranties in this panel class, which is particularly significant when calculating the return on investment for residential prosumer or commercial PV installations. ### How does the DMXXXM10RT-54HSW/HBW series perform on hot summer days? TOPCon N-type cell technology features a lower temperature coefficient for Pmax (approx. -0.29%/°C) compared to standard PERC cells. This means that at elevated temperatures during summer, the panel loses less power than older-generation designs. In the Polish climate, where August temperatures above 30°C are becoming increasingly common, this translates into a measurably higher annual energy yield. ### Are the DMEGC DMXXXM10RT-54HSW/HBW panels suitable for pitched roofs with chimneys or dormers? Yes, the 54-cell series has compact dimensions (approx. 1762×1134 mm, weight approx. 21 kg), which facilitates rooftop transport and installation in space-constrained areas. The modules withstand snow loads of up to 5400 Pa and wind loads of up to 2400 Pa, meeting Polish structural building code requirements. They are well suited for both new installations and system upgrades. ### Is DMEGC a proven manufacturer — will the warranty still be honored in 20 years? DMEGC appears on the Bloomberg NEF Tier 1 list, meaning the company meets the stringent financial and manufacturing criteria required of global PV module suppliers. The company operates its own cell manufacturing facilities and has maintained a presence in Poland for many years. To maximize warranty protection, it is advisable to purchase through an authorized distributor with a registered Polish entity and to retain all purchase documentation. ### How does the DMXXXM10RT-54HSW/HBW series differ from DMEGC's bifacial double-glass version? The DMXXXM10RT-54HSW/HBW series is a monofacial module with a polymer backsheet — it captures solar irradiance from the front side only. DMEGC's bifacial versions (identified by the letter B in the product name, e.g., B54HBB) feature a double-glass construction and harvest additional energy from irradiance reflected off the ground or mounting surface. The HSW/HBW variant is lighter and more cost-effective, making it the more economical choice for typical pitched roofs where the bifacial gain would be minimal. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ae02659-alius-dmegc-dm445m10rt-54hsw-30mm-20j-n-type-topcon-51884073e39a.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, cooler, +2.5 pp | | [DMEGC DM440M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm440m10rt-54hsw-hbw) | 440 W | Cooler, +0.2 pp | | [DMEGC DM445M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm445m10rt-54hsw-hbw) | 445 W | +10 W, cooler, +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-54hsw-hbw Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.