--- title: "Renesola RS9-715NBG-E1 vs Renesola YH180W-19.5M - Solar Panel Comparison | ComparePV" description: "Compare Renesola RS9-715NBG-E1 vs Renesola YH180W-19.5M side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/renesola-rs9-715nbg-e1/renesola-yh180w-19-5m" updated: 2026-09-11 --- # Renesola RS9-715NBG-E1 vs Renesola YH180W-19.5M RS9-715NBG-E1 leads on the differences that matter The largest is module efficiency: 4.87 pp more efficient. 2 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Renesola RS9-715NBG-E1](https://comparepv.com/panel/renesola-rs9-715nbg-e1) | [Renesola YH180W-19.5M](https://comparepv.com/panel/renesola-yh180w-19-5m) | | Manufacturer | Renesola | Renesola | | Power | 715 Wp | 180 Wp | | Efficiency | 23.02 % | 18.15 % | | Technology | N-type | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | RS9-715NBG-E1 | YH180W-19.5M | Difference | | --- | --- | --- | --- | | Module efficiency | 23.02 % | 18.15 % | +4.87 pp for RS9-715NBG-E1 | | Temperature coefficient | -0.290 %/°C | -0.340 %/°C | +0.050 %/°C for RS9-715NBG-E1 | | Rated power | 715 Wp | 180 Wp | +535 W for RS9-715NBG-E1 | | Power density | 230.2 Wp/m² | 181.5 Wp/m² | +48.7 Wp/m² for RS9-715NBG-E1 | | Weight | 38.7 kg | 10.5 kg | -28.2 kg for YH180W-19.5M | | Product warranty | 15 yrs | 30 yrs | +15 yrs for YH180W-19.5M | | Open-circuit voltage | 49.20 V | 24.37 V | 24.83 V apart | | Short-circuit current | 18.44 A | 8.72 A | 9.72 A apart | | Module area | 3.106 m² | 0.992 m² | 2.114 m² apart | | Weight per kWp | 54.1 kg/kWp | 58.3 kg/kWp | -4.2 kg/kWp for RS9-715NBG-E1 | | Cell technology | N-type | TOPCon | N-type vs TOPCon | | Voltage at max power | 41.10 V | 21.79 V | 19.31 V apart | | Current at max power | 17.40 A | 8.27 A | 9.13 A apart | | Cell count | 132 | 39 | 93 cells apart | | Bifacial | Yes | No | Yes vs No | | Dimensions | 2384x1303x33 mm | 1485x668x30 mm | 2384x1303x33 mm vs 1485x668x30 mm | ## Every compared parameter | Parameter | RS9-715NBG-E1 | YH180W-19.5M | | --- | --- | --- | | Rated power | 715 Wp | 180 Wp | | Module efficiency | 23.02 % | 18.15 % | | Power density | 230.2 Wp/m² | 181.5 Wp/m² | | Open-circuit voltage | 49.20 V | 24.37 V | | Voltage at max power | 41.10 V | 21.79 V | | Short-circuit current | 18.44 A | 8.72 A | | Current at max power | 17.40 A | 8.27 A | | Temperature coefficient | -0.290 %/°C | -0.340 %/°C | | Dimensions | 2384x1303x33 mm | 1485x668x30 mm | | Module area | 3.106 m² | 0.992 m² | | Weight | 38.7 kg | 10.5 kg | | Weight per kWp | 54.1 kg/kWp | 58.3 kg/kWp | | Product warranty | 15 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | - | | Cell technology | N-type | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 39 | | Bifacial | Yes | No | ## Thirty-year yield Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year - **Cumulative output, RS9-715NBG-E1:** 23,990 kWh - **Cumulative output, YH180W-19.5M:** 6,039 kWh - **Gap:** 17,951 kWh ## Output when hot | Condition | Cell temperature | RS9-715NBG-E1 | YH180W-19.5M | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 715 W | 180 W | 100.0% of rated power | | Cool, bright day | 40 °C | 684 W | 171 W | 94.9% of rated power | | Typical summer roof | 55 °C | 653 W | 162 W | 89.8% of rated power | | Hot roof | 70 °C | 622 W | 152 W | 84.7% of rated power | ## Against the whole database | Measure | RS9-715NBG-E1 | YH180W-19.5M | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #1,797 | #13,197 | 14,005 | RS9-715NBG-E1 leads by 11,400 places | | Power density | #2,018 | #13,175 | 14,005 | RS9-715NBG-E1 leads by 11,157 places | | Heat behaviour | #2,165 | #8,778 | 14,005 | RS9-715NBG-E1 leads by 6,613 places | | Weight | #8,339 | #11,670 | 14,005 | RS9-715NBG-E1 leads by 3,331 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #471 | #13,158 | 14,005 | RS9-715NBG-E1 leads by 12,687 places | ## Questions ### Which panel is better: Renesola RS9-715NBG-E1 or Renesola YH180W-19.5M? According to our database: **Renesola RS9-715NBG-E1** has higher module efficiency (**23.02%** vs **18.15%**); **Renesola RS9-715NBG-E1** tolerates heat better (temp coeff **-0.290%/°C** vs **-0.340%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Renesola RS9-715NBG-E1 and Renesola YH180W-19.5M? **Renesola RS9-715NBG-E1** has a module efficiency of **23.02%**, while **Renesola YH**180 W**-19.5M** is **18.15%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Renesola RS9-715NBG-E1 use vs Renesola YH180W-19.5M? **Renesola RS9-715NBG-E1** uses **N-type** cells; **Renesola YH**180 W**-19.5M** uses **TOPCon**. 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 Renesola RS9-715NBG-E1 and Renesola YH180W-19.5M? **Renesola RS9-715NBG-E1** has a **30 years** power warranty; **Renesola YH**180 W**-19.5M** 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 Renesola RS9-715NBG-E1 and Renesola YH180W-19.5M bifacial panels? **Renesola RS9-715NBG-E1** is bifacial (captures light from both faces); **Renesola YH**180 W**-19.5M** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath. ## Related comparisons - [Renesola RS9-715NBG-E1 vs Renesola RS9-720NBG-E1](https://comparepv.com/compare/renesola-rs9-715nbg-e1/renesola-rs9-720nbg-e1) - The same specification on paper - [Renesola RS9-715NBG-E1 vs Renesola RS9-710NBG-E1](https://comparepv.com/compare/renesola-rs9-715nbg-e1/renesola-rs9-710nbg-e1) - The same specification on paper - [Renesola RS9-715NBG-E1 vs Renesola RS9-705NBG-E1](https://comparepv.com/compare/renesola-rs9-715nbg-e1/renesola-rs9-705nbg-e1) - 3 differences, the largest is module efficiency - [Renesola RS9-715NBG-E1 vs Renesola RS9-700NBG-E1](https://comparepv.com/compare/renesola-rs9-715nbg-e1/renesola-rs9-700nbg-e1) - 3 differences, the largest is module efficiency - [Renesola YH180W-19.5M vs Renesola YH200W-19.5M](https://comparepv.com/compare/renesola-yh180w-19-5m/renesola-yh200w-19-5m) - 7 differences, the largest is module efficiency - [Renesola YH180W-19.5M vs Renesola YH190W-19.5M](https://comparepv.com/compare/renesola-yh180w-19-5m/renesola-yh190w-19-5m) - 5 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/renesola-rs9-715nbg-e1/renesola-yh180w-19-5m 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.