--- title: "Lexron 425W vs Lexron LEXRON 580W - Solar Panel Comparison | ComparePV" description: "Compare Lexron 425W vs Lexron LEXRON 580W side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/lexron-425w/lexron-lexron-580w" updated: 2026-09-11 --- # Lexron 425W vs Lexron LEXRON 580W LEXRON 580W leads on the differences that matter The largest is module efficiency: 1.08 pp more efficient. 7 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Lexron 425W](https://comparepv.com/panel/lexron-425w) | [Lexron LEXRON 580W](https://comparepv.com/panel/lexron-lexron-580w) | | Manufacturer | Lexron | Lexron | | Power | 425 Wp | 580 Wp | | Efficiency | 21.37 % | 22.45 % | | Technology | PERC | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 425W | LEXRON 580W | Difference | | --- | --- | --- | --- | | Module efficiency | 21.37 % | 22.45 % | +1.08 pp for LEXRON 580W | | Rated power | 425 Wp | 580 Wp | +155 W for LEXRON 580W | | Power density | 213.7 Wp/m² | 224.5 Wp/m² | +10.8 Wp/m² for LEXRON 580W | | Weight | 22.0 kg | 28.0 kg | -6.0 kg for 425W | | Short-circuit current | 10.68 A | 14.31 A | 3.63 A apart | | Module area | 1.989 m² | 2.583 m² | 0.594 m² apart | | Weight per kWp | 51.8 kg/kWp | 48.3 kg/kWp | -3.5 kg/kWp for LEXRON 580W | | Cell technology | PERC | TOPCon | PERC vs TOPCon | | Current at max power | 10.12 A | 13.57 A | 3.45 A apart | | Cell count | 72 | 144 | 72 cells apart | | Annual degradation | 0.45 %/yr | 0.40 %/yr | -0.05 %/yr for LEXRON 580W | | Dimensions | 1987x1001x35 mm | 2278x1134x35 mm | 1987x1001x35 mm vs 2278x1134x35 mm | ## Every compared parameter | Parameter | 425W | LEXRON 580W | | --- | --- | --- | | Rated power | 425 Wp | 580 Wp | | Module efficiency | 21.37 % | 22.45 % | | Power density | 213.7 Wp/m² | 224.5 Wp/m² | | Open-circuit voltage | 50.38 V | 51.30 V | | Voltage at max power | 41.98 V | 42.75 V | | Short-circuit current | 10.68 A | 14.31 A | | Current at max power | 10.12 A | 13.57 A | | Temperature coefficient | -0.350 %/°C | -0.350 %/°C | | Dimensions | 1987x1001x35 mm | 2278x1134x35 mm | | Module area | 1.989 m² | 2.583 m² | | Weight | 22.0 kg | 28.0 kg | | Weight per kWp | 51.8 kg/kWp | 48.3 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.45 %/yr | 0.40 %/yr | | Cell technology | PERC | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 72 | 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 (-0.350 %/°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, 425W:** 13,996 kWh - **Cumulative output, LEXRON 580W:** 19,460 kWh - **Gap:** 5,464 kWh ## Output when hot | Condition | Cell temperature | 425W | LEXRON 580W | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 425 W | 580 W | 100.0% of rated power | | Cool, bright day | 40 °C | 403 W | 550 W | 94.8% of rated power | | Typical summer roof | 55 °C | 380 W | 519 W | 89.5% of rated power | | Hot roof | 70 °C | 358 W | 489 W | 84.2% of rated power | ## Against the whole database | Measure | 425W | LEXRON 580W | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #8,448 | #4,620 | 14,005 | LEXRON 580W leads by 3,828 places | | Power density | #8,404 | #4,547 | 14,005 | LEXRON 580W leads by 3,857 places | | Heat behaviour | #10,419 | #10,419 | 14,005 | Tied - the same position in the database | | Weight | #5,132 | #2,172 | 14,005 | LEXRON 580W leads by 2,960 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #10,571 | #4,436 | 14,005 | LEXRON 580W leads by 6,135 places | ## Questions ### Which panel is better: Lexron 425W or Lexron LEXRON 580W? According to our database: **Lexron LEXRON **580 W**** has higher module efficiency (**22.45%** vs **21.37%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Lexron 425W and Lexron LEXRON 580W? **Lexron **425 W**** has a module efficiency of **21.37%**, while **Lexron LEXRON **580 W**** is **22.45%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Lexron 425W use vs Lexron LEXRON 580W? **Lexron **425 W**** uses **PERC** cells; **Lexron LEXRON **580 W**** 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 Lexron 425W and Lexron LEXRON 580W? **Lexron **425 W**** has a **30 years** power warranty; **Lexron LEXRON **580 W**** 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 - [Lexron 425W vs Lexron 430W](https://comparepv.com/compare/lexron-425w/lexron-430w) - One difference: module efficiency - [Lexron 425W vs Lexron 420W](https://comparepv.com/compare/lexron-425w/lexron-420w) - One difference: module efficiency - [Lexron 425W vs Lexron 415W](https://comparepv.com/compare/lexron-425w/lexron-415w) - 3 differences, the largest is module efficiency - [Lexron 425W vs Lexron 410W](https://comparepv.com/compare/lexron-425w/lexron-410w) - 3 differences, the largest is module efficiency - [Lexron 425W vs Lexron 405W](https://comparepv.com/compare/lexron-425w/lexron-405w) - 4 differences, the largest is module efficiency - [Lexron LEXRON 580W vs Lexron LEXRON 600W](https://comparepv.com/compare/lexron-lexron-580w/lexron-lexron-600w) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/lexron-425w/lexron-lexron-580w 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.