--- title: "Amerisolar AS-7M144-HC-550 vs Amerisolar AS-7M144N-HC-570 - Solar Panel Comparison | ComparePV" description: "Compare Amerisolar AS-7M144-HC-550 vs Amerisolar AS-7M144N-HC-570 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-7m144-hc-550/artsolar-as-7m144n-hc-570" image: "https://comparepv.com/og/compare/panels/artsolar-as-7m144-hc-550/artsolar-as-7m144n-hc-570.png" updated: 2026-09-11 --- # Amerisolar AS-7M144-HC-550 vs Amerisolar AS-7M144N-HC-570 7M144N-HC-570 leads on the differences that matter The largest is temperature coefficient: 0.060 %/°C better in heat. 10 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 | [Amerisolar AS-7M144-HC-550](https://comparepv.com/panel/artsolar-as-7m144-hc-550) | [Amerisolar AS-7M144N-HC-570](https://comparepv.com/panel/artsolar-as-7m144n-hc-570) | | Manufacturer | Amerisolar | Amerisolar | | Power | 550 Wp | 570 Wp | | Efficiency | 21.28 % | 22.06 % | | Technology | PERC | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 7M144-HC-550 | 7M144N-HC-570 | Difference | | --- | --- | --- | --- | | Temperature coefficient | -0.360 %/°C | -0.300 %/°C | +0.060 %/°C for 7M144N-HC-570 | | Module efficiency | 21.28 % | 22.06 % | +0.78 pp for 7M144N-HC-570 | | Power density | 212.8 Wp/m² | 220.6 Wp/m² | +7.7 Wp/m² for 7M144N-HC-570 | | Rated power | 550 Wp | 570 Wp | +20 W for 7M144N-HC-570 | | Weight per kWp | 52.7 kg/kWp | 48.2 kg/kWp | -4.5 kg/kWp for 7M144N-HC-570 | | Cell technology | PERC | TOPCon | PERC vs TOPCon | | Weight | 29.0 kg | 27.5 kg | -1.5 kg for 7M144N-HC-570 | | Dimensions | 2279x1134x35 mm | 2279x1134x30 mm | 2279x1134x35 mm vs 2279x1134x30 mm | ## Every compared parameter | Parameter | 7M144-HC-550 | 7M144N-HC-570 | | --- | --- | --- | | Rated power | 550 Wp | 570 Wp | | Module efficiency | 21.28 % | 22.06 % | | Power density | 212.8 Wp/m² | 220.6 Wp/m² | | Open-circuit voltage | 50.00 V | 50.80 V | | Voltage at max power | 41.80 V | 42.60 V | | Short-circuit current | 13.94 A | 14.14 A | | Current at max power | 13.16 A | 13.39 A | | Temperature coefficient | -0.360 %/°C | -0.300 %/°C | | Dimensions | 2279x1134x35 mm | 2279x1134x30 mm | | Module area | 2.584 m² | 2.584 m² | | Weight | 29.0 kg | 27.5 kg | | Weight per kWp | 52.7 kg/kWp | 48.2 kg/kWp | | Product warranty | 20 yrs | 20 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | - | 0.40 %/yr | | Cell technology | PERC | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | Bifacial | No | 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, 7M144-HC-550:** 18,157 kWh - **Cumulative output, 7M144N-HC-570:** 19,125 kWh - **Gap:** 968 kWh ## Output when hot | Condition | Cell temperature | 7M144-HC-550 | 7M144N-HC-570 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 550 W | 570 W | 100.0% of rated power | | Cool, bright day | 40 °C | 520 W | 544 W | 94.6% of rated power | | Typical summer roof | 55 °C | 491 W | 519 W | 89.2% of rated power | | Hot roof | 70 °C | 461 W | 493 W | 83.8% of rated power | ## Against the whole database | Measure | 7M144-HC-550 | 7M144N-HC-570 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #8,863 | #6,268 | 14,129 | 7M144N-HC-570 leads by 2,595 places | | Power density | #8,709 | #6,221 | 14,129 | 7M144N-HC-570 leads by 2,488 places | | Heat behaviour | #12,425 | #6,152 | 14,129 | 7M144N-HC-570 leads by 6,273 places | | Weight | #6,427 | #2,135 | 14,129 | 7M144N-HC-570 leads by 4,292 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #5,288 | #3,651 | 14,129 | 7M144N-HC-570 leads by 1,637 places | ## Questions ### Which panel is better: Amerisolar AS-7M144-HC-550 or Amerisolar AS-7M144N-HC-570? According to our database: **Amerisolar AS-7M144N-HC-570** has higher module efficiency (**22.06%** vs **21.28%**); **Amerisolar AS-7M144N-HC-570** tolerates heat better (temp coeff **-0.300%/°C** vs **-0.360%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Amerisolar AS-7M144-HC-550 and Amerisolar AS-7M144N-HC-570? **Amerisolar AS-7M144-HC-550** has a module efficiency of **21.28%**, while **Amerisolar AS-7M144N-HC-570** is **22.06%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Amerisolar AS-7M144-HC-550 use vs Amerisolar AS-7M144N-HC-570? **Amerisolar AS-7M144-HC-550** uses **PERC** cells; **Amerisolar AS-7M144N-HC-570** 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-7M144-HC-550 and Amerisolar AS-7M144N-HC-570? **Amerisolar AS-7M144-HC-550** has a **30 years** power warranty; **Amerisolar AS-7M144N-HC-570** 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-7M144-HC-550 vs Amerisolar AS-7M144N-HC-590](https://comparepv.com/compare/artsolar-as-7m144-hc-550/artsolar-as-7m144n-hc-590) - 10 differences, the largest is module efficiency - [Amerisolar AS-7M144-HC-550 vs Amerisolar AS-7M144N-HC-585](https://comparepv.com/compare/artsolar-as-7m144-hc-550/artsolar-as-7m144n-hc-585) - 10 differences, the largest is module efficiency - [Amerisolar AS-7M144-HC-550 vs Amerisolar AS-7M144N-HC-580](https://comparepv.com/compare/artsolar-as-7m144-hc-550/artsolar-as-7m144n-hc-580) - 10 differences, the largest is module efficiency - [Amerisolar AS-7M144-HC-550 vs Amerisolar AS-7M144N-HC-575](https://comparepv.com/compare/artsolar-as-7m144-hc-550/artsolar-as-7m144n-hc-575) - 10 differences, the largest is module efficiency - [Amerisolar AS-7M144-HC-550 vs Amerisolar AS-7M144N-HC-565](https://comparepv.com/compare/artsolar-as-7m144-hc-550/artsolar-as-7m144n-hc-565) - 8 differences, the largest is temperature coefficient - [Amerisolar AS-7M144-HC-550 vs Amerisolar AS-7M144N-HC-560](https://comparepv.com/compare/artsolar-as-7m144-hc-550/artsolar-as-7m144n-hc-560) - 8 differences, the largest is temperature coefficient --- Source: https://comparepv.com/compare/artsolar-as-7m144-hc-550/artsolar-as-7m144n-hc-570 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.