--- title: "Resun Solar RS8H-M-630 630W Solar Panel - Specs & Review | ComparePV" description: "Resun Solar RS8H-M-630 630W solar panel. Specs: 23.32% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/resun-solar-rs8h-m-630" updated: 2026-09-11 --- # Resun Solar RS8H-M-630 Light for its output, no clear weak spot 1,086 panels in the segment TOPCon 600-650 W ## Identity - **Manufacturer:** Resun Solar - **Model:** RS8H-M-630 - **Series:** RS8H-M TOPCON - **Rated power:** 630 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 600-650 W (1086 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 630 W | 620 W | Typical | | | Module efficiency | 23.32% | 22.80% | Strong - top 15% | 973 | | Power density | 233.2 | 227.7 | Strong - top 16% | 1,003 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 29.1 kg | 32.7 kg | Strong - top 8% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.32% | 22.80% | Strong - top 15% | 973 | | Power density | 233.2 | 227.7 | Strong - top 16% | 1,003 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 46.2 | 53.1 | Strong - top 8% | 1,066 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **46.2 kg per kWp** - Top 8% of the TOPCon 600-650 W segment, against a median of 53.1. Ranked 1,066th in the whole database. - **23.32% module efficiency** - Top 15% of the TOPCon 600-650 W segment, against a median of 22.80%. - **233.2 watts per square metre** - Top 16% of the TOPCon 600-650 W segment, against a median of 227.7. - **Best for:** Utility-scale, shaded-installations and agrivoltaic. ## Specification ### Electrical - **Rated power (Pmax):** 630 W - **Efficiency:** 23.32 % - **Voltage at Pmax (Vmp):** 41.56 V - **Current at Pmax (Imp):** 15.16 A - **Open-circuit voltage (Voc):** 49.50 V - **Short-circuit current (Isc):** 16.03 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:** 35 mm - **Weight:** 29.1 kg - **Area:** 2.70 m2 - **Power density:** 233.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years - **Annual degradation:** 0.50 % - **Output after 30 years:** 532 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 973 of 14005 | | Power density | 1003 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 1066 of 14005 | | Warranty | 21 of 14005 | ## About this series The RS8H-M TOPCON series brings next-generation photovoltaic modules built on monocrystalline **TOPCon** cells with **half-cut** technology, using an advanced **multi-busbar (SMBB)** layout that reduces internal power losses and significantly improves the module's resistance to microcracks and busbar damage. The half-cut cell design further minimizes the risk of hot-spot formation under partial shading, resulting in greater long-term durability under real-world operating conditions. These panels stand out with their **strong PID resistance**, which limits power degradation over time and directly lowers the LCOE of the generated energy. Thanks to a high-transmittance, anti-reflective tempered glass front cover, the module maintains solid performance even in low-light conditions, while certified resistance to salt mist and ammonia makes it a strong choice for agricultural and coastal installations. Reinforced mechanical construction ensures reliable operation under heavy wind and snow loads, which matters when installing in more demanding climates. This series suits installers and investors looking for panels that combine high efficiency, long-term output stability, and environmental resilience, backed by a low annual power decline over a 30-year lifespan. ## Notable figures - Efficiency of 23.3% is 0.5pp above the \*\*TOPCon 600-650W\*\* median (22.8%) - 233.2 W/m² power density - 5.5 W/m² more than \*\*TOPCon 600-650W\*\* median (227.7 W/m²), more power per roof area - Temperature coefficient of -0.29%/°C matches the \*\*TOPCon 600-650W\*\* median - Weight of 29.1 kg (3.6 kg below \*\*TOPCon 600-650W\*\* median of 32.7 kg) allows easier transport and roof mounting - In the top 7% for efficiency among all TOPCon panels ## Questions ### What is the maximum power output of the RS8H-M TOPCon series, and who is it designed for? The RS8H-M TOPCon panels reach a maximum output of up to 630 Wp, making them a strong choice for both large commercial installations and utility-scale PV farms, as well as extensive residential systems where maximizing use of available roof or ground space matters. The high per-module power reduces the number of panels needed to reach a target system size, lowering mounting structure and installation labor costs. ### How does TOPCon technology in the RS8H-M differ from conventional PERC panels? TOPCon (Tunnel Oxide Passivated Contact) is a newer monocrystalline cell technology that uses an additional passivation layer to reduce carrier recombination, achieving higher conversion efficiency than standard PERC cells. Combined with half-cut cell design and the multi-busbar (SMBB) structure, this results in higher energy yield from the same surface area and lower power losses over the module's lifetime. ### What warranty comes with the RS8H-M TOPCon panels? Resun Solar provides a 15-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. This means a low annual power degradation rate over that period, resulting in predictable energy production and a favorable LCOE for the installation even three decades after commissioning. ### Do RS8H-M TOPCon panels perform well in low-light or partially shaded conditions? Yes, the high-transmittance anti-reflective tempered glass maintains solid performance even under low irradiance, such as during winter or overcast days. In addition, the half-cut cell design reduces the risk of hot spots under partial shading, for example from a chimney or nearby tree, improving the safety and long-term durability of the installation. ### Are RS8H-M TOPCon panels suitable for agricultural or coastal installations? Yes, the modules carry certified resistance to salt mist and ammonia, making them well suited for coastal installations as well as agricultural sites where panels may be exposed to ammonia fumes from livestock. High PID resistance further limits power degradation under these demanding environmental conditions. ### Can the RS8H-M TOPCon panels withstand heavy snow and wind loads? Yes, the panels feature a reinforced mechanical frame designed to handle high wind and snow loads, which is important for installations in regions with harsher climate conditions, such as roofs prone to snow accumulation in winter. The sturdy frame and tempered glass increase safety and durability throughout the warranty period. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/RS8H-M595-630W-TOPCON-INMETRO-2c12104cf286.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | Cooler, lighter, +1.9 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | +50 W, cooler, +1.9 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | +45 W, cooler, +1.7 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | Cooler, lighter, +1.7 pp | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | +40 W, cooler, +1.5 pp | | [Longi Solar LR7-72HVHF-670M](https://comparepv.com/panel/longi-lr7-72hvhf-670m) | 670 W | +40 W, cooler, +1.5 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | Cooler, lighter, +1.5 pp | | [Resun Solar RS8H-M-BD-595W](https://comparepv.com/panel/resun-solar-rs8h-m-bd-595w) | 595 W | -35 W, -1.3 pp | | [Resun Solar RS8H-M-BD-600W](https://comparepv.com/panel/resun-solar-rs8h-m-bd-600w) | 600 W | -30 W, -1.1 pp | | [Resun Solar RS8H-M-BD-605W](https://comparepv.com/panel/resun-solar-rs8h-m-bd-605w) | 605 W | -25 W, -0.9 pp | | [Resun Solar RS8H-M-BD-610W](https://comparepv.com/panel/resun-solar-rs8h-m-bd-610w) | 610 W | -20 W, -0.7 pp | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | +70 W, heavier, +1.7 pp | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | +65 W, heavier, +1.6 pp | | [Jinko Solar JKM650-670N-66QL6-BDV (670W class)](https://comparepv.com/panel/jinko-solar-jkm650-670n-66ql6-bdv-670w-class) | 670 W | +40 W, heavier, +1.5 pp | --- Source: https://comparepv.com/panel/resun-solar-rs8h-m-630 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.