--- title: "Risen RSM108-10-435BNDG Solar Panel: Specs & Datasheet | ComparePV" description: "Risen RSM108-10-435BNDG solar panel. Specs: 21.30% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/risen-energy-rsm108-10-435bndg" image: "https://comparepv.com/og/panel/risen-energy-rsm108-10-435bndg.png" updated: 2026-09-11 --- # Risen RSM108-10-435BNDG Middle of its segment, heavy for its output 1,220 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** Risen - **Model:** RSM108-10-435BNDG - **Series:** RSM108-10-435-460BNDG - **Rated power:** 435 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 400-450 W (1220 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 435 W | 435 W | Typical | | | Module efficiency | 21.30% | 22.00% | Weak - bottom 13% | 8,585 | | Power density | 213.1 | 220.2 | Weak - bottom 15% | 8,538 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,220 | | Weight (kg) | 25.0 kg | 22.0 kg | Weak - bottom 11% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.30% | 22.00% | Weak - bottom 13% | 8,585 | | Power density | 213.1 | 220.2 | Weak - bottom 15% | 8,538 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,220 | | Weight per kWp | 57.5 | 51.5 | Weak - bottom 11% | 11,316 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **57.5 kg per kWp** - Bottom 11% of the TOPCon 400-450 W segment, against a median of 51.5. - **21.30% module efficiency** - Bottom 13% of the TOPCon 400-450 W segment, against a median of 22.00%. - **213.1 watts per square metre** - Bottom 15% of the TOPCon 400-450 W segment, against a median of 220.2. - **Best for:** Residential, commercial and agrivoltaic. - **Not ideal for:** Weight-limited structures, tight roof space and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 435 W - **Efficiency:** 21.30 % - **Voltage at Pmax (Vmp):** 32.45 V - **Current at Pmax (Imp):** 13.41 A - **Open-circuit voltage (Voc):** 39.31 V - **Short-circuit current (Isc):** 14.04 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:** 0.046 %/degC - **NOCT:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1800 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 25.0 kg - **Area:** 2.04 m2 - **Power density:** 213.1 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 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 | 8585 of 14129 | | Power density | 8538 of 14129 | | Temperature coefficient | 2220 of 14129 | | Weight | 11316 of 14129 | | Warranty | 21 of 14129 | ## Pros - **N-type TOPCon cells** - N-type TOPCon technology reduces LID/LeTID degradation and performs better at high temperatures than legacy PERC cells; with a Pmax temperature coefficient of approx. -0.29%/°C, this translates into higher real-world yield in warm climates. - **Bifacial dual-glass construction** - The dual-glass bifacial design captures additional energy from reflected light (light-colored roofs, gravel, carport and agri-PV installations) while improving mechanical and environmental durability compared to standard glass-backsheet modules. - **30-year linear power warranty** - Risen guarantees a minimum of 87.4% power output after 30 years, backed by a 15-year product warranty - a standard typical of Risen's TOPCon dual-glass lineup, giving investors long-term yield predictability comparable to offerings like Axitec's AXIbiperfect. - **Tier-1 bankable manufacturer since 1986** - Risen is a Tier-1 bankable manufacturer with a long track record (founded in 1986), easing project financing and lowering investor risk compared to less established TOPCon-segment brands. - **Black frame / full black option** - A black frame or full-black variant allows the installation to better match building architecture without compromising electrical performance - relevant for residential projects with higher aesthetic requirements. ## Cons - **Lower efficiency than segment leaders** - The series tops out at 22.5% efficiency, while comparable peer modules (Phono Solar Draco, SunKean SKT440-460M12) reach 23.02% at the same 460 Wp maximum power - a roughly 0.5 pp gap that can mean lower yield per unit of roof area in space-constrained installations. ## About this series The Risen RSM108-10-435-460BNDG series are modules engineered for exceptional operational stability in real-world installation conditions - even in locations where the roof or terrain isn't perfectly sun-exposed throughout the day. The implementation of **N-type TOPCon cells** helps mitigate typical energy losses during operation while simultaneously enhancing predictability of energy yields over a longer horizon. What distinguishes this series from many standard panels is its **bifacial** and **dual glass** construction. In practice, this means the ability to "adjust" energy harvesting from reflected light (e.g., off a light roof surface, gravel, or paved areas) along with increased resilience to environmental factors. This makes it an excellent choice where longevity is key - suitable for high-demand rooftops, carports, commercial installations, and agricultural photovoltaics. Another advantage is the **black frame or full-black option**, enabling seamless integration with modern architecture without compromising on quality. ## Notable figures - Efficiency of 21.3% is 0.7pp below the \*\*TOPCon 400-450W\*\* median (22.0%) - 213.1 W/m² power density is 7.1 W/m² below \*\*TOPCon 400-450W\*\* median (220.2 W/m²) - requires larger installation area - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 400-450W\*\* panels - At 25.0 kg, this panel is 3.0 kg heavier than the \*\*TOPCon 400-450W\*\* median (22.0 kg) - more demanding for installation crews - Ranked #8585 out of 14129 panels for efficiency in the database ## Questions ### What product and power warranties does the Risen RSM108-10-435-460BNDG series carry? Risen provides a 15-year product warranty covering materials and workmanship, along with a 30-year linear power warranty. After 30 years, modules are guaranteed to retain at least 87.4% of their rated power output, with an annual degradation rate of only 0.4%. These terms rank among the most competitive for this panel class, backed by Risen Energy's Tier 1 manufacturer status. ### What is TOPCon technology and what does it mean for real-world performance of the Risen RSM108-10-435-460BNDG? TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell architecture that offers higher efficiency and lower lifetime degradation than conventional PERC. The key practical advantage is its temperature coefficient of -0.29%/°C, meaning the module loses less power on hot days and harvests diffuse irradiance more effectively than PERC on overcast days. ### How does the bifacial dual glass design of the Risen RSM108-10-435-460BNDG work, and when does it pay off most? The bifacial design allows the module to capture reflected light from the rear side off high-albedo surfaces such as white gravel, light roofing membranes, or snow. Dual glass replaces the standard polymer backsheet with a second glass layer, significantly improving moisture resistance and mechanical durability. The highest energy gain is realized in solar carports, agrivoltaic systems, and ground-mount installations with a reflective surface below. ### Are the Risen RSM108-10-435-460BNDG panels suitable for a pitched residential rooftop installation? Yes, the RSM108-10-435-460BNDG series is compatible with standard pitched-roof mounting systems. At 1800×1134×30 mm and approximately 25 kg per module, they fit typical residential racking. The black frame or full black option integrates well with modern architecture. Because dual glass modules are slightly heavier than single-glass equivalents, verifying roof load capacity beforehand is recommended. ### Is the Risen RSM108-10-435-460BNDG a good fit for commercial or agrivoltaic installations? Yes, this is one of the series' strongest use cases. The dual glass construction delivers superior resistance to moisture ingress and corrosion critical for long-term commercial deployments. The bifacial design boosts energy yield in agrivoltaic setups where the ground provides a high-albedo surface. Risen Energy's Tier 1 status also ensures strong bankability for project financing. ### How do the Risen RSM108-10-435-460BNDG panels perform in winter and low-light conditions? The N-type TOPCon cells' low temperature coefficient of -0.29%/°C means the module can briefly exceed its STC-rated power on cold winter days and loses less power during summer heat compared to older PERC technology. Under diffuse irradiance, TOPCon outperforms PERC in energy harvest. The bifacial gain is minimal under heavy cloud cover, but the cell technology itself ensures competitive annual yield. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/rsm108-10-435-460bndg-iec1500v-30mm-2024h1-2-cn-4e89cc34ff8e.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, lighter, +3.0 pp | | [AIKO AIKO-A485-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a485-mce54mw) | 485 W | +50 W, lighter, +3.0 pp | | [AIKO AIKO-A485-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a485-mah54mw) | 485 W | +50 W, lighter, +3.0 pp | | [Gokin GK-5-54HG-485M](https://comparepv.com/panel/gokin-gk-5-54hg-485m) | 485 W | +50 W, lighter, +3.0 pp | | [Heckert Solar ZEUS 3.0+ 108 485WP](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-485wp) | 485 W | +50 W, cooler, +3.0 pp | | [Risen RSM108-10-440BNDG](https://comparepv.com/panel/risen-energy-rsm108-10-440bndg) | 440 W | +0.3 pp | | [Risen RSM108-10-445BNDG](https://comparepv.com/panel/risen-energy-rsm108-10-445bndg) | 445 W | +10 W, +0.5 pp | | [Risen RSM108-10-450BNDG](https://comparepv.com/panel/risen-energy-rsm108-10-450bndg) | 450 W | +15 W, +0.8 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +75 W, cooler, +3.7 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +60 W, lighter, +3.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +70 W, cooler, +3.4 pp | | [WINAICO WST-505BKX54-A2](https://comparepv.com/panel/winaico-wst-505bkx54-a2) | 505 W | +70 W, cooler, +3.4 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +55 W, lighter, +3.2 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +65 W, cooler, +3.2 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +65 W, lighter, +3.2 pp | --- Source: https://comparepv.com/panel/risen-energy-rsm108-10-435bndg 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.