--- title: "Recom RCM-730-8DBNM vs Shinson Technology S720M66HT4BF - Solar Panel Comparison | ComparePV" description: "Compare Recom RCM-730-8DBNM vs Shinson Technology S720M66HT4BF side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/recom-rcm-730-8dbnm/shinson-technology-s720m66ht4bf" updated: 2026-09-11 --- # Recom RCM-730-8DBNM vs Shinson Technology S720M66HT4BF 11 differences, and they point both ways The largest is temperature coefficient: 0.030 %/°C better in heat. 8 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Recom RCM-730-8DBNM](https://comparepv.com/panel/recom-rcm-730-8dbnm) | [Shinson Technology S720M66HT4BF](https://comparepv.com/panel/shinson-technology-s720m66ht4bf) | | Manufacturer | Recom | Shinson Technology | | Power | 730 Wp | 720 Wp | | Efficiency | 23.50 % | 23.18 % | | Technology | TOPCon | HJT | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | RCM-730-8DBNM | S720M66HT4BF | Difference | | --- | --- | --- | --- | | Temperature coefficient | -0.290 %/°C | -0.260 %/°C | +0.030 %/°C for S720M66HT4BF | | Module efficiency | 23.50 % | 23.18 % | +0.32 pp for RCM-730-8DBNM | | Cell technology | TOPCon | HJT | TOPCon vs HJT | | Power density | 235.0 Wp/m² | 231.8 Wp/m² | +3.2 Wp/m² for RCM-730-8DBNM | | Annual degradation | 0.40 %/yr | 0.35 %/yr | -0.05 %/yr for S720M66HT4BF | | Rated power | 730 Wp | 720 Wp | +10 W for RCM-730-8DBNM | | Short-circuit current | 18.64 A | 17.67 A | 0.97 A apart | | Open-circuit voltage | 49.59 V | 50.74 V | 1.15 V apart | | Dimensions | 2384x1303x33 mm | 2384x1303x35 mm | 2384x1303x33 mm vs 2384x1303x35 mm | | Current at max power | 17.62 A | 16.87 A | 0.75 A apart | | Voltage at max power | 41.44 V | 42.68 V | 1.24 V apart | ## Every compared parameter | Parameter | RCM-730-8DBNM | S720M66HT4BF | | --- | --- | --- | | Rated power | 730 Wp | 720 Wp | | Module efficiency | 23.50 % | 23.18 % | | Power density | 235.0 Wp/m² | 231.8 Wp/m² | | Open-circuit voltage | 49.59 V | 50.74 V | | Voltage at max power | 41.44 V | 42.68 V | | Short-circuit current | 18.64 A | 17.67 A | | Current at max power | 17.62 A | 16.87 A | | Temperature coefficient | -0.290 %/°C | -0.260 %/°C | | Dimensions | 2384x1303x33 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 37.8 kg | 38.7 kg | | Weight per kWp | 51.8 kg/kWp | 53.8 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.35 %/yr | | Cell technology | TOPCon | HJT | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | Yes | Yes | ## Thirty-year yield Declared annual degradation, with a 1.0% first-year loss assumed for both panels because at least one datasheet omits it, at 1,200 kWh/kWp a year - **Cumulative output, RCM-730-8DBNM:** 24,493 kWh - **Cumulative output, S720M66HT4BF:** 24,345 kWh - **Gap:** 148 kWh ## Output when hot | Condition | Cell temperature | RCM-730-8DBNM | S720M66HT4BF | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 730 W | 720 W | 100.0% of rated power | | Cool, bright day | 40 °C | 698 W | 692 W | 95.7% of rated power | | Typical summer roof | 55 °C | 666 W | 664 W | 91.3% of rated power | | Hot roof | 70 °C | 635 W | 636 W | 87.0% of rated power | ## Against the whole database | Measure | RCM-730-8DBNM | S720M66HT4BF | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #716 | #1,424 | 14,005 | RCM-730-8DBNM leads by 708 places | | Power density | #800 | #1,347 | 14,005 | RCM-730-8DBNM leads by 547 places | | Heat behaviour | #2,165 | #511 | 14,005 | S720M66HT4BF leads by 1,654 places | | Weight | #5,151 | #7,805 | 14,005 | RCM-730-8DBNM leads by 2,654 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #8 | #25 | 14,005 | RCM-730-8DBNM leads by 17 places | ## Questions ### Which panel is better: Recom RCM-730-8DBNM or Shinson Technology S720M66HT4BF? According to our database: **Recom RCM-730-8DBNM** has higher module efficiency (**23.50%** vs **23.18%**); **Shinson Technology S720M66HT4BF** tolerates heat better (temp coeff **-0.260%/°C** vs **-0.290%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Recom RCM-730-8DBNM and Shinson Technology S720M66HT4BF? **Recom RCM-730-8DBNM** has a module efficiency of **23.50%**, while **Shinson Technology S720M66HT4BF** is **23.18%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Recom RCM-730-8DBNM use vs Shinson Technology S720M66HT4BF? **Recom RCM-730-8DBNM** uses **TOPCon** cells; **Shinson Technology S720M66HT4BF** uses **HJT**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on Recom RCM-730-8DBNM and Shinson Technology S720M66HT4BF? **Recom RCM-730-8DBNM** has a **30 years** power warranty; **Shinson Technology S720M66HT4BF** has a **30 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ### Are Recom RCM-730-8DBNM and Shinson Technology S720M66HT4BF bifacial panels? Both **Recom RCM-730-8DBNM** and **Shinson Technology S720M66HT4BF** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [Recom RCM-730-8DBNM vs Recom RCM-725-8DBNM](https://comparepv.com/compare/recom-rcm-730-8dbnm/recom-rcm-725-8dbnm) - One difference: module efficiency - [Recom RCM-730-8DBNM vs Recom RCM-720-8DBNM](https://comparepv.com/compare/recom-rcm-730-8dbnm/recom-rcm-720-8dbnm) - 3 differences, the largest is module efficiency - [Recom RCM-730-8DBNM vs Recom RCM-715-8DBNM](https://comparepv.com/compare/recom-rcm-730-8dbnm/recom-rcm-715-8dbnm) - 3 differences, the largest is module efficiency - [Recom RCM-730-8DBNM vs Recom RCM-715-8NM](https://comparepv.com/compare/recom-rcm-730-8dbnm/recom-rcm-715-8nm) - 8 differences, the largest is module efficiency - [Recom RCM-730-8DBNM vs Recom RCM-710-8DBNM](https://comparepv.com/compare/recom-rcm-730-8dbnm/recom-rcm-710-8dbnm) - 3 differences, the largest is module efficiency - [Recom RCM-730-8DBNM vs Recom RCM-710-8NM](https://comparepv.com/compare/recom-rcm-730-8dbnm/recom-rcm-710-8nm) - 8 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/recom-rcm-730-8dbnm/shinson-technology-s720m66ht4bf Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.