--- title: "Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-420M/182-108+GG - Solar Panel Comparison | ComparePV" description: "Compare Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-420M/182-108+GG side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-420m-182-108-gg" image: "https://comparepv.com/og/compare/panels/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-420m-182-108-gg.png" updated: 2026-09-11 --- # Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-420M/182-108+GG 420M/182-108+GG leads on the differences that matter The largest is module efficiency: 0.26 pp more efficient. 17 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 | [Luxor Solar LX-415M/182-108+GG](https://comparepv.com/panel/luxor-solar-lx-415m-182-108-gg) | [Luxor Solar LX-420M/182-108+GG](https://comparepv.com/panel/luxor-solar-lx-420m-182-108-gg) | | Manufacturer | Luxor Solar | Luxor Solar | | Power | 415 Wp | 420 Wp | | Efficiency | 21.58 % | 21.84 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 415M/182-108+GG | 420M/182-108+GG | Difference | | --- | --- | --- | --- | | Module efficiency | 21.58 % | 21.84 % | +0.26 pp for 420M/182-108+GG | ## Every compared parameter | Parameter | 415M/182-108+GG | 420M/182-108+GG | | --- | --- | --- | | Rated power | 415 Wp | 420 Wp | | Module efficiency | 21.58 % | 21.84 % | | Power density | 212.5 Wp/m² | 215.1 Wp/m² | | Open-circuit voltage | 37.92 V | 38.15 V | | Voltage at max power | 31.32 V | 31.51 V | | Short-circuit current | 13.99 A | 14.07 A | | Current at max power | 13.26 A | 13.34 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 1722x1134x30 mm | 1722x1134x30 mm | | Module area | 1.953 m² | 1.953 m² | | Weight | 21.5 kg | 21.5 kg | | Weight per kWp | 51.8 kg/kWp | 51.2 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | - | - | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 108 | | Bifacial | Yes | Yes | ## Thirty-year yield A 1.0% first-year loss then 0.40% a year, assumed for both panels, 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, 415M/182-108+GG:** 13,924 kWh - **Cumulative output, 420M/182-108+GG:** 14,092 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 415M/182-108+GG | 420M/182-108+GG | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 415 W | 420 W | 100.0% of rated power | | Cool, bright day | 40 °C | 396 W | 401 W | 95.5% of rated power | | Typical summer roof | 55 °C | 378 W | 382 W | 91.0% of rated power | | Hot roof | 70 °C | 359 W | 363 W | 86.5% of rated power | ## Against the whole database | Measure | 415M/182-108+GG | 420M/182-108+GG | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #7,792 | #7,048 | 14,129 | 420M/182-108+GG leads by 744 places | | Power density | #8,858 | #7,946 | 14,129 | 420M/182-108+GG leads by 912 places | | Heat behaviour | #6,152 | #6,152 | 14,129 | Tied - the same position in the database | | Weight | #5,203 | #4,591 | 14,129 | 420M/182-108+GG leads by 612 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #7,538 | #7,001 | 14,129 | 420M/182-108+GG leads by 537 places | ## Questions ### Which panel is better: Luxor Solar LX-415M/182-108+GG or Luxor Solar LX-420M/182-108+GG? According to our database: **Luxor Solar LX-420M/182-108+GG** has higher module efficiency (**21.84%** vs **21.58%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Luxor Solar LX-415M/182-108+GG and Luxor Solar LX-420M/182-108+GG? **Luxor Solar LX-415M/182-108+GG** has a module efficiency of **21.58%**, while **Luxor Solar LX-420M/182-108+GG** is **21.84%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Luxor Solar LX-415M/182-108+GG use vs Luxor Solar LX-420M/182-108+GG? **Luxor Solar LX-415M/182-108+GG** uses **TOPCon** cells; **Luxor Solar LX-420M/182-108+GG** 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 Luxor Solar LX-415M/182-108+GG and Luxor Solar LX-420M/182-108+GG? **Luxor Solar LX-415M/182-108+GG** has a **30 years** power warranty; **Luxor Solar LX-420M/182-108+GG** 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. ### Are Luxor Solar LX-415M/182-108+GG and Luxor Solar LX-420M/182-108+GG bifacial panels? Both **Luxor Solar LX-415M/182-108+GG** and **Luxor Solar LX-420M/182-108+GG** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-435M/182-108+GG](https://comparepv.com/compare/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-435m-182-108-gg) - 4 differences, the largest is module efficiency - [Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-430M/182-108+GG](https://comparepv.com/compare/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-430m-182-108-gg) - 3 differences, the largest is module efficiency - [Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-425M/182-108+GG](https://comparepv.com/compare/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-425m-182-108-gg) - 3 differences, the largest is module efficiency - [Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-720M/210-132+GG](https://comparepv.com/compare/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-720m-210-132-gg) - 13 differences, the largest is module efficiency - [Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-720M/210-132+ GG](https://comparepv.com/compare/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-720m-210-132-gg-1) - 13 differences, the largest is module efficiency - [Luxor Solar LX-415M/182-108+GG vs Luxor Solar LX-715M/210-132+GG](https://comparepv.com/compare/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-715m-210-132-gg) - 14 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/luxor-solar-lx-415m-182-108-gg/luxor-solar-lx-420m-182-108-gg 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.