--- title: "Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144N-HC-580 - Solar Panel Comparison | ComparePV" description: "Compare Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144N-HC-580 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/artsolar-as-7m144n-hc-575/artsolar-as-7m144n-hc-580" image: "https://comparepv.com/og/compare/panels/artsolar-as-7m144n-hc-575/artsolar-as-7m144n-hc-580.png" updated: 2026-09-11 --- # Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144N-HC-580 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 | [Amerisolar AS-7M144N-HC-575](https://comparepv.com/panel/artsolar-as-7m144n-hc-575) | [Amerisolar AS-7M144N-HC-580](https://comparepv.com/panel/artsolar-as-7m144n-hc-580) | | Manufacturer | Amerisolar | Amerisolar | | Power | 575 Wp | 580 Wp | | Efficiency | 22.25 % | 22.44 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | 575 | 580 | | --- | --- | --- | | Rated power | 575 Wp | 580 Wp | | Module efficiency | 22.25 % | 22.44 % | | Power density | 222.5 Wp/m² | 224.4 Wp/m² | | Open-circuit voltage | 51.00 V | 51.20 V | | Voltage at max power | 42.80 V | 43.00 V | | Short-circuit current | 14.19 A | 14.24 A | | Current at max power | 13.44 A | 13.49 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2279x1134x30 mm | 2279x1134x30 mm | | Module area | 2.584 m² | 2.584 m² | | Weight | 27.5 kg | 27.5 kg | | Weight per kWp | 47.8 kg/kWp | 47.4 kg/kWp | | Product warranty | 20 yrs | 20 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 (-0.300 %/°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, 575:** 19,292 kWh - **Cumulative output, 580:** 19,460 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 575 | 580 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 575 W | 580 W | 100.0% of rated power | | Cool, bright day | 40 °C | 549 W | 554 W | 95.5% of rated power | | Typical summer roof | 55 °C | 523 W | 528 W | 91.0% of rated power | | Hot roof | 70 °C | 497 W | 502 W | 86.5% of rated power | ## Against the whole database | Measure | 575 | 580 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #5,752 | #4,776 | 14,129 | 580 leads by 976 places | | Power density | #5,731 | #4,752 | 14,129 | 580 leads by 979 places | | Heat behaviour | #6,152 | #6,152 | 14,129 | Tied - the same position in the database | | Weight | #1,929 | #1,672 | 14,129 | 580 leads by 257 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #3,237 | #2,856 | 14,129 | 580 leads by 381 places | ## Questions ### Which panel is better: Amerisolar AS-7M144N-HC-575 or Amerisolar AS-7M144N-HC-580? According to our database: **Amerisolar AS-7M144N-HC-580** has higher module efficiency (**22.44%** vs **22.25%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Amerisolar AS-7M144N-HC-575 and Amerisolar AS-7M144N-HC-580? **Amerisolar AS-7M144N-HC-575** has a module efficiency of **22.25%**, while **Amerisolar AS-7M144N-HC-580** is **22.44%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Amerisolar AS-7M144N-HC-575 use vs Amerisolar AS-7M144N-HC-580? **Amerisolar AS-7M144N-HC-575** uses **TOPCon** cells; **Amerisolar AS-7M144N-HC-580** 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 Amerisolar AS-7M144N-HC-575 and Amerisolar AS-7M144N-HC-580? **Amerisolar AS-7M144N-HC-575** has a **30 years** power warranty; **Amerisolar AS-7M144N-HC-580** 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 - [Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144N-HC-590](https://comparepv.com/compare/artsolar-as-7m144n-hc-575/artsolar-as-7m144n-hc-590) - 3 differences, the largest is module efficiency - [Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144N-HC-585](https://comparepv.com/compare/artsolar-as-7m144n-hc-575/artsolar-as-7m144n-hc-585) - 3 differences, the largest is module efficiency - [Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144N-HC-570](https://comparepv.com/compare/artsolar-as-7m144n-hc-575/artsolar-as-7m144n-hc-570) - The same specification on paper - [Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144N-HC-565](https://comparepv.com/compare/artsolar-as-7m144n-hc-575/artsolar-as-7m144n-hc-565) - 3 differences, the largest is module efficiency - [Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144N-HC-560](https://comparepv.com/compare/artsolar-as-7m144n-hc-575/artsolar-as-7m144n-hc-560) - 3 differences, the largest is module efficiency - [Amerisolar AS-7M144N-HC-575 vs Amerisolar AS-7M144-HC-550](https://comparepv.com/compare/artsolar-as-7m144n-hc-575/artsolar-as-7m144-hc-550) - 10 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/artsolar-as-7m144n-hc-575/artsolar-as-7m144n-hc-580 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.