--- title: "DMEGC DM260M10T-B32HBT 260W Solar Panel - Specs & Review | ComparePV" description: "DMEGC DM260M10T-B32HBT 260W solar panel: 2 shop offers from 73 €. Specs: 22.00% efficiency, Monocrystalline cells." source: "https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm260m10t-b32hbt" updated: 2026-10-02 --- # DMEGC DM260M10T-B32HBT Efficiency leader, no clear weak spot 30 panels in the segment TOPCon 250-300 W ## Identity - **Manufacturer:** DMEGC - **Model:** DM260M10T-B32HBT - **Series:** DMxxxM10T-B32HBT - **Rated power:** 260 W - **Cell technology:** TOPCon - **Bifacial:** yes ## Price offers Prices are the figure each shop printed, on that shop's side of VAT. | Shop | Market | Price | Per kWp | Availability | Last read | | --- | --- | --- | --- | --- | --- | | [www.photovoltaik-shop.com](https://comparepv.com/go/15608) | Germany | 73 € incl. VAT | 280.77 €/kWp | In stock | Last read 3 Oct 00:59 | | [solarvic.at](https://comparepv.com/go/185930) | Austria | 82.50 € net | 317.31 €/kWp | In stock | Last read 3 Oct 01:12 | ## How it compares Compared against segment TOPCon 250-300 W (30 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 260 W | 280 W | Weak - bottom 13% | | | Module efficiency | 22.00% | 14.99% | Strong - top 12% | 6,517 | | Power density | 220.1 | 149.9 | Strong - top 12% | 6,631 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 15.3 kg | 23.4 kg | Strong - top 12% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.00% | 14.99% | Strong - top 12% | 6,517 | | Power density | 220.1 | 149.9 | Strong - top 12% | 6,631 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 58.8 | 79.5 | Strong - top 12% | 11,930 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **22.00% module efficiency** - Top 12% of the TOPCon 250-300 W segment, against a median of 14.99%. - **220.1 watts per square metre** - Top 12% of the TOPCon 250-300 W segment, against a median of 149.9. - **58.8 kg per kWp** - Top 12% of the TOPCon 250-300 W segment, against a median of 79.5. - **Best for:** Residential and commercial. ## Specification ### Electrical - **Rated power (Pmax):** 260 W - **Efficiency:** 22.00 % - **Voltage at Pmax (Vmp):** 19.72 V - **Current at Pmax (Imp):** 13.19 A - **Open-circuit voltage (Voc):** 23.52 V - **Short-circuit current (Isc):** 13.95 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:** 64 - **Bifacial:** yes ### Physical - **Length:** 1542 mm - **Width:** 766 mm - **Thickness:** 30 mm - **Weight:** 15.3 kg - **Area:** 1.18 m2 - **Power density:** 220.1 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:** 227 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 6517 of 14005 | | Power density | 6631 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 11930 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Premium-Class Efficiency – 22.9%** - A peak efficiency of 22.9% clearly outperforms direct peer comparables: Kyocera KK270P (16.4%) and KU-60 (16.41%) are approximately 39% less area-efficient, while the MY Solar M2 series reaches 21.2%. In practice, this translates to roughly 10–15% more power from the same roof area compared to the best-performing alternative. - **TOPCon N-Type: Low Degradation Rate of 0.4%/yr** - Per the manufacturer's datasheet, only 0.4% annual power degradation is guaranteed over 30 years, corresponding to ≥88% of rated power output retained at end of warranty. N-type technology eliminates the LID (Light-Induced Degradation) effect characteristic of older P-type PERC cells, delivering tangible operational benefits especially during the early years of system operation. - **30-Year Linear Power Warranty** - A linear power warranty extending to 30 years is an above-market commitment — the industry norm among Tier 2/3 manufacturers is 25 years. Combined with a 25-year product warranty and a bankability rating of 'A' (PV ModuleTech Q4 2024), the financial risk of a prosumer investment is significantly reduced. - **Installation Ergonomics: 15.3 kg, 1542×766 mm** - A weight of just 15.3 kg and a form factor of 1542×766×30 mm are exceptional among glass-glass modules, which typically weigh 20–25 kg. On steep roof pitches and hard-to-access installations, this means safer handling for the installer and reduced mounting time — a meaningful competitive advantage for installation crews. - **DMEGC BNEF Tier 1 and 5th Place Globally** - DMEGC maintains Tier 1 BloombergNEF status (confirmed Q3 2025) and an 'A' rating from S&P Global Tier 1 Cleantech. In the Wood Mackenzie 2025 ranking, the manufacturer advanced to 5th place globally with shipments of 13.4 GW in H1 2025 alone (+64% YoY), materially reducing supplier insolvency risk over the warranty horizon. ## Cons - **Low Single-Module Power Output: Max 270 Wp** - Against the 2024–2025 market standard of 400–450 Wp for full-size M10/G12 modules, achieving a 10 kWp system requires a minimum of 37 panels from this series versus approximately 23 standard modules. For systems above ~6 kWp, this proportionally increases BoS costs (rails, mounting hardware, MC4 connectors, labor), which can offset any potential module-level price advantage. ## About this series This series was designed with every square centimeter of roof space and real ease of installation in mind. It’s a compact, **double-glass** module that’s easier to handle, placing, and installing on pitched roof ridges and in hard-to-reach spots - without compromising on cutting-edge cell technology. The use of **N-type TOPCon cells** helps limit losses and maintain high operational stability over time, which is especially important in residential installations where even small drops in yield quickly translate to higher bills. In practice, this series addresses two common problems: limited mounting space and the risk of accelerated module aging in challenging conditions. Thanks to its glass-glass construction and TOPCon technology, the panels perform well on residential rooftops, carports, and smaller commercial structures. An additional advantage is **bifacial capability**, allowing for the use of reflected light when mounting conditions permit. It stands out from the competition due to its **installer-friendly format** and focus on practical ergonomic design. ## Notable figures - Efficiency of 22.0% is 6.0pp above the \*\*TOPCon 0-400W\*\* median (16.0%) - 220.1 W/m² power density - 60.3 W/m² more than \*\*TOPCon 0-400W\*\* median (159.8 W/m²), more power per roof area - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 0-400W\*\* panels - Weight of 15.3 kg (8.2 kg below \*\*TOPCon 0-400W\*\* median of 23.5 kg) allows easier transport and roof mounting - 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces ## Questions ### Is the DMEGC DMxxxM10T-B32HBT series suitable for small or space-constrained rooftops? Yes, that is precisely the primary application for this series. The module measures 1542 × 766 mm and weighs only 15.3 kg, making it one of the lightest modules in its power class. The compact format allows better utilization of fragmented roof sections — for example, around chimneys or dormers — while the low weight simplifies handling and installation on steep-pitch roofs without the need for a crane or an enlarged crew. ### What are N-type TOPCon cells, and why does the DMxxxM10T-B32HBT series use them? TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology that reduces charge-carrier recombination within the cell. In practice, this translates to higher module efficiency of up to 22.9% and a slower power degradation rate over time. For a homeowner, it means more energy harvested from the same roof area and lower cumulative output losses throughout the entire operational lifetime of the system. ### Does the bifacial design of the DMEGC DMxxxM10T-B32HBT panels make sense on a pitched roof? Bifacial gain is realized when the rear side of the module captures diffuse or reflected irradiance. On a pitched roof the effect is smaller than in ground-mounted systems, but with light-colored roofing materials, an elevated racking system that allows an air gap, or carport installations, an additional 5–10% energy yield is entirely achievable. When roof space is limited, every incremental percentage of output gain matters. ### What warranty is provided for the DMEGC DMxxxM10T-B32HBT series? The manufacturer offers a 25-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. This means the module is guaranteed to maintain a specified minimum performance level in accordance with a defined degradation curve over three decades of operation. DMEGC is recognized as a Tier 1 manufacturer, which provides additional confidence that warranty obligations will be honored over the long term. ### How much does a single DMEGC DMxxxM10T-B32HBT panel weigh, and can it be installed without professional help? Each module weighs 15.3 kg — significantly less than standard 60- or 72-cell panels, which typically weigh 20–25 kg. For an experienced installer, this difference is substantial when working on a pitched roof. DIY installation without the appropriate electrical certifications is not recommended due to safety and regulatory requirements; however, the low module weight does reduce labor costs for the installation crew. ### What mechanical loads can the DMEGC DMxxxM10T-B32HBT panels withstand, and are they suitable for the Polish climate? The DMxxxM10T-B32HBT series is rated for a front-side load of up to 8100 Pa and a rear-side load of up to 4000 Pa, corresponding to heavy accumulated snow loads and strong wind gusts. The dual-glass construction (2 mm + 2 mm) provides additional protection against moisture ingress and environmental stressors. These specifications comfortably exceed the requirements for typical climatic conditions across Poland, including mountainous regions. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/677f30cd19e2a-0d887efae28b.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar NS-300MH-72](https://comparepv.com/panel/ja-solar-ns-300mh-72) | 300 W | +40 W, +1.3 pp, -5 yr warranty | | [PolyCrown Solar Tech NS-300MH-72](https://comparepv.com/panel/polycrown-solar-tech-ns-300mh-72) | 300 W | +40 W, +1.3 pp, -5 yr warranty | | [Heckert Solar ZEUS 1.2 FullBlack 280W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-280w) | 280 W | +20 W, cooler, +1.3 pp | | [Gamko New Energy GKA182M285W](https://comparepv.com/panel/gamko-new-energy-gka182m285w) | 285 W | +25 W, lighter, +1.0 pp | | [Gamko New Energy GKA182M240W](https://comparepv.com/panel/gamko-new-energy-gka182m240w) | 240 W | -20 W, lighter, +1.0 pp | | [Gamko New Energy GKA182M260W](https://comparepv.com/panel/gamko-new-energy-gka182m260w) | 260 W | Lighter, +1.0 pp | | [Gamko New Energy GKA182M270W](https://comparepv.com/panel/gamko-new-energy-gka182m270w) | 270 W | +10 W, lighter, +1.0 pp | | [Gamko New Energy GKA182M300W](https://comparepv.com/panel/gamko-new-energy-gka182m300w) | 300 W | +40 W, +1.0 pp | | [DMEGC DM270M10T-B32HBT](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm270m10t-b32hbt) | 270 W | +10 W, +0.9 pp | | [DMEGC DM255M10T-B32HBT](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm255m10t-b32hbt) | 255 W | -0.4 pp | | [DMEGC DM265M10T-B32HBT](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm265m10t-b32hbt) | 265 W | +0.4 pp | | [Heckert Solar ZEUS 1.2 FullBlack 275W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-275w) | 275 W | +15 W, cooler, +0.9 pp | | [Heckert Solar ZEUS 1.2 FullBlack 270W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-270w) | 270 W | +10 W, cooler, +0.5 pp | --- Source: https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm260m10t-b32hbt Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.