--- title: "Astronergy CHSM72N-HC-580 vs Astronergy CHSM72N-HC-585 - Solar Panel Comparison | ComparePV" description: "Compare Astronergy CHSM72N-HC-580 vs Astronergy CHSM72N-HC-585 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-585" updated: 2026-09-11 --- # Astronergy CHSM72N-HC-580 vs Astronergy CHSM72N-HC-585 Identical on every published parameter All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Astronergy CHSM72N-HC-580](https://comparepv.com/panel/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580) | [Astronergy CHSM72N-HC-585](https://comparepv.com/panel/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-585) | | Manufacturer | Astronergy | Astronergy | | Power | 580 Wp | 585 Wp | | Efficiency | 22.50 % | 22.60 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | 580 | 585 | | --- | --- | --- | | Rated power | 580 Wp | 585 Wp | | Module efficiency | 22.50 % | 22.60 % | | Power density | 224.5 Wp/m² | 226.5 Wp/m² | | Open-circuit voltage | 51.15 V | 51.30 V | | Voltage at max power | 42.63 V | 42.75 V | | Short-circuit current | 14.30 A | 14.40 A | | Current at max power | 13.61 A | 13.68 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2278x1134x35 mm | 2278x1134x35 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 26.9 kg | 26.9 kg | | Weight per kWp | 46.4 kg/kWp | 46.0 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.290 %/°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, 580:** 19,460 kWh - **Cumulative output, 585:** 19,628 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 580 | 585 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 580 W | 585 W | 100.0% of rated power | | Cool, bright day | 40 °C | 555 W | 560 W | 95.7% of rated power | | Typical summer roof | 55 °C | 530 W | 534 W | 91.3% of rated power | | Hot roof | 70 °C | 504 W | 509 W | 87.0% of rated power | ## Against the whole database | Measure | 580 | 585 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,222 | #3,658 | 14,005 | 585 leads by 564 places | | Power density | #4,547 | #3,500 | 14,005 | 585 leads by 1,047 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #1,132 | #947 | 14,005 | 585 leads by 185 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #4,367 | #4,037 | 14,005 | 585 leads by 330 places | ## Questions ### Which panel is better: Astronergy CHSM72N-HC-580 or Astronergy CHSM72N-HC-585? According to our database: **Astronergy CHSM72N-HC-585** has higher module efficiency (**22.60%** vs **22.50%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Astronergy CHSM72N-HC-580 and Astronergy CHSM72N-HC-585? **Astronergy CHSM72N-HC-580** has a module efficiency of **22.50%**, while **Astronergy CHSM72N-HC-585** is **22.60%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Astronergy CHSM72N-HC-580 use vs Astronergy CHSM72N-HC-585? **Astronergy CHSM72N-HC-580** uses **TOPCon** cells; **Astronergy CHSM72N-HC-585** 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 Astronergy CHSM72N-HC-580 and Astronergy CHSM72N-HC-585? **Astronergy CHSM72N-HC-580** has a **30 years** power warranty; **Astronergy CHSM72N-HC-585** 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. ## Related comparisons - [Astronergy CHSM72N-HC-580 vs Astronergy CHSM72N-HC-575](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575) - One difference: module efficiency - [Astronergy CHSM72N-HC-580 vs Astronergy CHSM72N-HC-570](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-570) - 3 differences, the largest is module efficiency - [Astronergy CHSM72N-HC-580 vs Astronergy CHSM72N-HC-565](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-565) - 3 differences, the largest is module efficiency - [Astronergy CHSM72N-HC-585 vs Astronergy CHSM72N-HC-605](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-585/astronergy-chsm72n-hc-605) - 3 differences, the largest is module efficiency - [Astronergy CHSM72N-HC-585 vs Astronergy CHSM72N-HC-600](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-585/astronergy-chsm72n-hc-600) - 3 differences, the largest is module efficiency - [Astronergy CHSM72N-HC-585 vs Astronergy CHSM72N-HC-595](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-585/astronergy-chsm72n-hc-595) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-585 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.