--- title: "Resun Solar RS8H-M-BD-595W 595W Solar Panel - Specs & Review | ComparePV" description: "Resun Solar RS8H-M-BD-595W 595W solar panel. Specs: 22.03% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/resun-solar-rs8h-m-bd-595w" updated: 2026-09-11 --- # Resun Solar RS8H-M-BD-595W Light for its output, needs the roof space 1,018 panels in the segment TOPCon 550-600 W ## Identity - **Manufacturer:** Resun Solar - **Model:** RS8H-M-BD-595W - **Series:** RS8H-M-BD TOPCon - **Rated power:** 595 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 550-600 W (1018 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 595 W | 580 W | Strong - top 5% | | | Module efficiency | 22.03% | 22.44% | Weak - bottom 24% | 6,306 | | Power density | 220.3 | 224.4 | Weak - bottom 24% | 6,299 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 29.1 kg | 31.2 kg | Strong - top 23% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.03% | 22.44% | Weak - bottom 24% | 6,306 | | Power density | 220.3 | 224.4 | Weak - bottom 24% | 6,299 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 48.9 | 53.8 | Strong - top 23% | 2,583 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **48.9 kg per kWp** - Top 23% of the TOPCon 550-600 W segment, against a median of 53.8. ### Watch out for - **220.3 watts per square metre** - Bottom 24% of the TOPCon 550-600 W segment, against a median of 224.4. - **22.03% module efficiency** - Bottom 24% of the TOPCon 550-600 W segment, against a median of 22.44%. - **Best for:** Utility-scale, commercial and shaded-installations. - **Not ideal for:** Roofs where every square metre has to count and tight roof space. ## Specification ### Electrical - **Rated power (Pmax):** 595 W - **Efficiency:** 22.03 % - **Voltage at Pmax (Vmp):** 40.18 V - **Current at Pmax (Imp):** 14.81 A - **Open-circuit voltage (Voc):** 48.10 V - **Short-circuit current (Isc):** 15.68 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:** 0.040 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 132 ### Physical - **Length:** 2382 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 29.1 kg - **Area:** 2.70 m2 - **Power density:** 220.3 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years - **Annual degradation:** 0.50 % - **Output after 30 years:** 503 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 6306 of 14005 | | Power density | 6299 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 2583 of 14005 | | Warranty | 21 of 14005 | ## About this series The RS8H-M-BD TOPCON series pairs N-type monocrystalline cells with half-cell design and a multi-busbar SMBB layout, reducing internal power loss and boosting solar energy conversion efficiency. This construction significantly lowers the risk of failure from cell micro-cracks and damaged busbars, while splitting the wafer into smaller segments makes the module more resistant to hot-spot effects caused by partial shading. The panel stands out for its **high resistance to PID degradation**, translating into more stable energy yield and a lower LCOE over the system's lifetime. The tempered front glass, with enhanced light transmittance and anti-reflective properties, delivers stronger performance under low-light conditions, and certified resistance to salt mist and ammonia makes the series well suited to coastal installations and agricultural sites. The frame withstands high wind and snow loads, making it a solid choice for both residential rooftops and large-scale solar farms. A long, linear 30-year power warranty further underscores the durability and predictability of the investment. It's a fitting option for installers and investors seeking **high reliability** and **stable performance** in demanding environmental conditions. ## Notable figures - At 22.0% efficiency, this panel is on par with typical \*\*TOPCon 550-600W\*\* modules - 220.3 W/m² power density is 4.1 W/m² below \*\*TOPCon 550-600W\*\* median (224.4 W/m²) - requires larger installation area - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 550-600W\*\* panels - At 29.1 kg, this panel is 2.1 kg lighter than \*\*TOPCon 550-600W\*\* median (31.2 kg) - easier handling during installation - In the top 45% for efficiency among all TOPCon panels ## Questions ### What is the maximum power output of the RS8H-M-BD TOPCon panel and is it high for this module class? The RS8H-M-BD TOPCon series reaches a maximum power output of up to 630 Wp, placing it among the top-performing N-type monocrystalline modules currently on the market. This high output comes from combining TOPCon cell technology, half-cell design, and a multi-busbar (SMBB) layout, which together reduce internal power losses and boost solar energy conversion efficiency. ### Are the Resun Solar RS8H-M-BD panels bifacial? No, the RS8H-M-BD TOPCon series is a monofacial module, generating power from one side only. Instead of bifacial gains, it relies on high-efficiency N-type TOPCon cells and strong resistance to PID degradation and microcracks, making it well suited for standard rooftop and ground-mount installations without needing a reflective surface. ### What warranty comes with the RS8H-M-BD TOPCon panels? The manufacturer offers a 15-year product warranty along with a 30-year linear power output warranty. This means a gradual, predictable performance decline spread over three decades, which lowers the long-term LCOE and increases investment confidence for both residential systems and large-scale solar farms. ### Are panels from this series suitable for coastal or agricultural installations? Yes, the RS8H-M-BD TOPCon series holds certified resistance to salt mist and ammonia exposure, making it a strong choice for coastal environments prone to corrosion as well as agricultural installations, such as livestock buildings, where panels are regularly exposed to ammonia fumes. ### How does the TOPCon technology in this series differ from standard PERC panels? The N-type TOPCon cells used in the RS8H-M-BD deliver higher conversion efficiency and lower degradation over time compared to typical P-type PERC cells. Combined with the half-cell design and SMBB busbar layout, this technology reduces resistive losses, lowers hot-spot risk under partial shading, and improves resistance to PID degradation. ### Can the RS8H-M-BD TOPCon panels withstand heavy snow and wind loads? Yes, the module is engineered for high mechanical load resistance, making it suitable for residential rooftops in heavy-snowfall regions as well as large ground-mount installations exposed to strong winds. The tempered front glass further enhances mechanical durability while maintaining high light transmittance for better low-light performance. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/RS8H-M-BD-595-630W-TOPCON-INMETRO-afe7fd97f737.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +50 W, cooler, +3.0 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | -35 W, lighter, +2.8 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +45 W, cooler, +2.8 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | -40 W, lighter, +2.6 pp | | [AIKO AIKO-A635-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a635-mae72mw) | 635 W | +40 W, cooler, +2.6 pp | | [Resun Solar RS8H-M-BD-600W](https://comparepv.com/panel/resun-solar-rs8h-m-bd-600w) | 600 W | Very close match | | [Resun Solar RS8H-M-BD-605W](https://comparepv.com/panel/resun-solar-rs8h-m-bd-605w) | 605 W | +10 W, +0.4 pp | | [Resun Solar RS8H-M-BD-610W](https://comparepv.com/panel/resun-solar-rs8h-m-bd-610w) | 610 W | +15 W, +0.5 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | +85 W, cooler, +3.2 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | +80 W, cooler, +3.0 pp | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | +105 W, heavier, +3.0 pp | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | +100 W, heavier, +2.9 pp | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | +75 W, cooler, +2.8 pp | | [Longi Solar LR7-72HVHF-670M](https://comparepv.com/panel/longi-lr7-72hvhf-670m) | 670 W | +75 W, cooler, +2.8 pp | | [Jinko Solar JKM650-670N-66QL6-BDV (670W class)](https://comparepv.com/panel/jinko-solar-jkm650-670n-66ql6-bdv-670w-class) | 670 W | +75 W, heavier, +2.8 pp | --- Source: https://comparepv.com/panel/resun-solar-rs8h-m-bd-595w Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.