--- title: "Huasun RS705S9-132GANT vs Huasun RS715S89-132GANT - Solar Panel Comparison | ComparePV" description: "Compare Huasun RS705S9-132GANT vs Huasun RS715S89-132GANT side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/huasun-rs705s9-132gant/huasun-rs715s89-132gant" updated: 2026-09-11 --- # Huasun RS705S9-132GANT vs Huasun RS715S89-132GANT RS715S89-132GANT leads on the differences that matter The largest is module efficiency: 0.32 pp more efficient. 15 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Huasun RS705S9-132GANT](https://comparepv.com/panel/huasun-rs705s9-132gant) | [Huasun RS715S89-132GANT](https://comparepv.com/panel/huasun-rs715s89-132gant) | | Manufacturer | Huasun | Huasun | | Power | 705 Wp | 715 Wp | | Efficiency | 22.70 % | 23.02 % | | Technology | TOPCon | HJT | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | RS705S9-132GANT | RS715S89-132GANT | Difference | | --- | --- | --- | --- | | Module efficiency | 22.70 % | 23.02 % | +0.32 pp for RS715S89-132GANT | | Cell technology | TOPCon | HJT | TOPCon vs HJT | | Power density | 227.0 Wp/m² | 230.2 Wp/m² | +3.2 Wp/m² for RS715S89-132GANT | | Rated power | 705 Wp | 715 Wp | +10 W for RS715S89-132GANT | ## Every compared parameter | Parameter | RS705S9-132GANT | RS715S89-132GANT | | --- | --- | --- | | Rated power | 705 Wp | 715 Wp | | Module efficiency | 22.70 % | 23.02 % | | Power density | 227.0 Wp/m² | 230.2 Wp/m² | | Open-circuit voltage | 47.45 V | 47.83 V | | Voltage at max power | 39.52 V | 39.90 V | | Short-circuit current | 18.94 A | 19.04 A | | Current at max power | 17.84 A | 17.92 A | | Temperature coefficient | -0.310 %/°C | -0.310 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 38.0 kg | 38.0 kg | | Weight per kWp | 53.9 kg/kWp | 53.1 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/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 Same temp coeff. for both panels (-0.310 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other. - **Cumulative output, RS705S9-132GANT:** 23,654 kWh - **Cumulative output, RS715S89-132GANT:** 23,990 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | RS705S9-132GANT | RS715S89-132GANT | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 705 W | 715 W | 100.0% of rated power | | Cool, bright day | 40 °C | 672 W | 682 W | 95.3% of rated power | | Typical summer roof | 55 °C | 639 W | 649 W | 90.7% of rated power | | Hot roof | 70 °C | 607 W | 615 W | 86.0% of rated power | ## Against the whole database | Measure | RS705S9-132GANT | RS715S89-132GANT | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #3,307 | #1,797 | 14,005 | RS715S89-132GANT leads by 1,510 places | | Power density | #3,361 | #2,018 | 14,005 | RS715S89-132GANT leads by 1,343 places | | Heat behaviour | #8,005 | #8,005 | 14,005 | Tied - the same position in the database | | Weight | #8,027 | #6,946 | 14,005 | RS715S89-132GANT leads by 1,081 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #747 | #450 | 14,005 | RS715S89-132GANT leads by 297 places | ## Questions ### Which panel is better: Huasun RS705S9-132GANT or Huasun RS715S89-132GANT? According to our database: **Huasun RS715S89-132GANT** has higher module efficiency (**23.02%** vs **22.70%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Huasun RS705S9-132GANT and Huasun RS715S89-132GANT? **Huasun RS705S9-132GANT** has a module efficiency of **22.70%**, while **Huasun RS715S89-132GANT** is **23.02%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Huasun RS705S9-132GANT use vs Huasun RS715S89-132GANT? **Huasun RS705S9-132GANT** uses **TOPCon** cells; **Huasun RS715S89-132GANT** 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 Huasun RS705S9-132GANT and Huasun RS715S89-132GANT? **Huasun RS705S9-132GANT** has a **30 years** power warranty; **Huasun RS715S89-132GANT** 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 Huasun RS705S9-132GANT and Huasun RS715S89-132GANT bifacial panels? Both **Huasun RS705S9-132GANT** and **Huasun RS715S89-132GANT** 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 - [Huasun RS705S9-132GANT vs Huasun RS730S9-132GANT](https://comparepv.com/compare/huasun-rs705s9-132gant/huasun-rs730s9-132gant) - 3 differences, the largest is module efficiency - [Huasun RS705S9-132GANT vs Huasun RS725S9-132GANT](https://comparepv.com/compare/huasun-rs705s9-132gant/huasun-rs725s9-132gant) - 3 differences, the largest is module efficiency - [Huasun RS705S9-132GANT vs Huasun RS720S9-132GANT](https://comparepv.com/compare/huasun-rs705s9-132gant/huasun-rs720s9-132gant) - 3 differences, the largest is module efficiency - [Huasun RS705S9-132GANT vs Huasun RS710S9-132GANT](https://comparepv.com/compare/huasun-rs705s9-132gant/huasun-rs710s9-132gant) - The same specification on paper - [Huasun RS705S9-132GANT vs Huasun HSN-210-B132DS730](https://comparepv.com/compare/huasun-rs705s9-132gant/huasun-hsn-210-b132ds730) - 11 differences, the largest is module efficiency - [Huasun RS705S9-132GANT vs Huasun HSN-210-B132DS725](https://comparepv.com/compare/huasun-rs705s9-132gant/huasun-hsn-210-b132ds725) - 10 differences, the largest is temperature coefficient --- Source: https://comparepv.com/compare/huasun-rs705s9-132gant/huasun-rs715s89-132gant 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.