--- title: "Lexron LEXRON 585W vs Lexron LEXRON 590W - Solar Panel Comparison | ComparePV" description: "Compare Lexron LEXRON 585W vs Lexron LEXRON 590W side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/lexron-lexron-585w/lexron-lexron-590w" updated: 2026-09-11 --- # Lexron LEXRON 585W vs Lexron LEXRON 590W 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 | [Lexron LEXRON 585W](https://comparepv.com/panel/lexron-lexron-585w) | [Lexron LEXRON 590W](https://comparepv.com/panel/lexron-lexron-590w) | | Manufacturer | Lexron | Lexron | | Power | 585 Wp | 590 Wp | | Efficiency | 22.65 % | 22.84 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | 585W | 590W | | --- | --- | --- | | Rated power | 585 Wp | 590 Wp | | Module efficiency | 22.65 % | 22.84 % | | Power density | 226.5 Wp/m² | 228.4 Wp/m² | | Open-circuit voltage | 51.48 V | 51.72 V | | Voltage at max power | 42.90 V | 43.10 V | | Short-circuit current | 14.38 A | 14.44 A | | Current at max power | 13.64 A | 13.69 A | | Temperature coefficient | -0.350 %/°C | -0.350 %/°C | | Dimensions | 2278x1134x35 mm | 2278x1134x35 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 28.0 kg | 28.0 kg | | Weight per kWp | 47.9 kg/kWp | 47.5 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 (-0.350 %/°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, 585W:** 19,628 kWh - **Cumulative output, 590W:** 19,796 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 585W | 590W | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 585 W | 590 W | 100.0% of rated power | | Cool, bright day | 40 °C | 554 W | 559 W | 94.8% of rated power | | Typical summer roof | 55 °C | 524 W | 528 W | 89.5% of rated power | | Hot roof | 70 °C | 493 W | 497 W | 84.2% of rated power | ## Against the whole database | Measure | 585W | 590W | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #3,522 | #2,617 | 14,005 | 590W leads by 905 places | | Power density | #3,500 | #2,598 | 14,005 | 590W leads by 902 places | | Heat behaviour | #10,419 | #10,419 | 14,005 | Tied - the same position in the database | | Weight | #1,937 | #1,689 | 14,005 | 590W leads by 248 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #4,025 | #3,653 | 14,005 | 590W leads by 372 places | ## Questions ### Which panel is better: Lexron LEXRON 585W or Lexron LEXRON 590W? According to our database: **Lexron LEXRON **590 W**** has higher module efficiency (**22.84%** vs **22.65%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Lexron LEXRON 585W and Lexron LEXRON 590W? **Lexron LEXRON **585 W**** has a module efficiency of **22.65%**, while **Lexron LEXRON **590 W**** is **22.84%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Lexron LEXRON 585W use vs Lexron LEXRON 590W? **Lexron LEXRON **585 W**** uses **TOPCon** cells; **Lexron LEXRON **590 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 LEXRON 585W and Lexron LEXRON 590W? **Lexron LEXRON **585 W**** has a **30 years** power warranty; **Lexron LEXRON **590 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 LEXRON 585W vs Lexron LEXRON 600W](https://comparepv.com/compare/lexron-lexron-585w/lexron-lexron-600w) - 3 differences, the largest is module efficiency - [Lexron LEXRON 585W vs Lexron LEXRON 595W](https://comparepv.com/compare/lexron-lexron-585w/lexron-lexron-595w) - 3 differences, the largest is module efficiency - [Lexron LEXRON 585W vs Lexron LEXRON 580W](https://comparepv.com/compare/lexron-lexron-585w/lexron-lexron-580w) - One difference: module efficiency - [Lexron LEXRON 585W vs Lexron LEXRON 575W](https://comparepv.com/compare/lexron-lexron-585w/lexron-lexron-575w) - 3 differences, the largest is module efficiency - [Lexron LEXRON 585W vs Lexron 430W](https://comparepv.com/compare/lexron-lexron-585w/lexron-430w) - 12 differences, the largest is module efficiency - [Lexron LEXRON 585W vs Lexron 425W](https://comparepv.com/compare/lexron-lexron-585w/lexron-425w) - 13 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/lexron-lexron-585w/lexron-lexron-590w 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.