--- title: "Luxor Solar LX-435M/182-108+GG vs Luxor Solar LX-555 M/182-144+ - Solar Panel Comparison | ComparePV" description: "Compare Luxor Solar LX-435M/182-108+GG vs Luxor Solar LX-555 M/182-144+ 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-435m-182-108-gg/luxor-solar-lx-555-m-182-144" image: "https://comparepv.com/og/compare/panels/luxor-solar-lx-435m-182-108-gg/luxor-solar-lx-555-m-182-144.png" updated: 2026-09-11 --- # Luxor Solar LX-435M/182-108+GG vs Luxor Solar LX-555 M/182-144+ 435M/182-108+GG leads on the differences that matter The largest is module efficiency: 0.87 pp more efficient. 4 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-435M/182-108+GG](https://comparepv.com/panel/luxor-solar-lx-435m-182-108-gg) | [Luxor Solar LX-555 M/182-144+](https://comparepv.com/panel/luxor-solar-lx-555-m-182-144) | | Manufacturer | Luxor Solar | Luxor Solar | | Power | 435 Wp | 555 Wp | | Efficiency | 22.61 % | 21.74 % | | Technology | TOPCon | N-type | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 435M/182-108+GG | 555 M/182-144+ | Difference | | --- | --- | --- | --- | | Module efficiency | 22.61 % | 21.74 % | +0.87 pp for 435M/182-108+GG | | Rated power | 435 Wp | 555 Wp | +120 W for 555 M/182-144+ | | Performance warranty | 30 yrs | 25 yrs | +5 yrs for 435M/182-108+GG | | Weight | 21.5 kg | 29.0 kg | -7.5 kg for 435M/182-108+GG | | Product warranty | 30 yrs | 15 yrs | +15 yrs for 435M/182-108+GG | | Power density | 222.8 Wp/m² | 214.8 Wp/m² | +8.0 Wp/m² for 435M/182-108+GG | | Open-circuit voltage | 38.84 V | 50.57 V | 11.73 V apart | | Module area | 1.953 m² | 2.584 m² | 0.632 m² apart | | Cell technology | TOPCon | N-type | TOPCon vs N-type | | Weight per kWp | 49.4 kg/kWp | 52.3 kg/kWp | -2.8 kg/kWp for 435M/182-108+GG | | Voltage at max power | 32.08 V | 41.77 V | 9.69 V apart | | Cell count | 108 | 144 | 36 cells apart | | Bifacial | Yes | No | Yes vs No | | Dimensions | 1722x1134x30 mm | 2279x1134x35 mm | 1722x1134x30 mm vs 2279x1134x35 mm | ## Every compared parameter | Parameter | 435M/182-108+GG | 555 M/182-144+ | | --- | --- | --- | | Rated power | 435 Wp | 555 Wp | | Module efficiency | 22.61 % | 21.74 % | | Power density | 222.8 Wp/m² | 214.8 Wp/m² | | Open-circuit voltage | 38.84 V | 50.57 V | | Voltage at max power | 32.08 V | 41.77 V | | Short-circuit current | 14.31 A | 14.02 A | | Current at max power | 13.57 A | 13.29 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 1722x1134x30 mm | 2279x1134x35 mm | | Module area | 1.953 m² | 2.584 m² | | Weight | 21.5 kg | 29.0 kg | | Weight per kWp | 49.4 kg/kWp | 52.3 kg/kWp | | Product warranty | 30 yrs | 15 yrs | | Performance warranty | 30 yrs | 25 yrs | | Annual degradation | - | - | | Cell technology | TOPCon | N-type | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 144 | | Bifacial | Yes | No | ## 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, 435M/182-108+GG:** 14,595 kWh - **Cumulative output, 555 M/182-144+:** 18,621 kWh - **Gap:** 4,026 kWh ## Output when hot | Condition | Cell temperature | 435M/182-108+GG | 555 M/182-144+ | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 435 W | 555 W | 100.0% of rated power | | Cool, bright day | 40 °C | 415 W | 530 W | 95.5% of rated power | | Typical summer roof | 55 °C | 396 W | 505 W | 91.0% of rated power | | Hot roof | 70 °C | 376 W | 480 W | 86.5% of rated power | ## Against the whole database | Measure | 435M/182-108+GG | 555 M/182-144+ | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #3,701 | #7,428 | 14,129 | 435M/182-108+GG leads by 3,727 places | | Power density | #5,212 | #8,213 | 14,129 | 435M/182-108+GG leads by 3,001 places | | Heat behaviour | #6,152 | #6,152 | 14,129 | Tied - the same position in the database | | Weight | #2,943 | #5,753 | 14,129 | 435M/182-108+GG leads by 2,810 places | | Warranty | #21 | #9,912 | 14,129 | 435M/182-108+GG leads by 9,891 places | | Overall | #5,542 | #6,685 | 14,129 | 435M/182-108+GG leads by 1,143 places | ## Questions ### Which panel is better: Luxor Solar LX-435M/182-108+GG or Luxor Solar LX-555 M/182-144+? According to our database: **Luxor Solar LX-435M/182-108+GG** has higher module efficiency (**22.61%** vs **21.74%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Luxor Solar LX-435M/182-108+GG and Luxor Solar LX-555 M/182-144+? **Luxor Solar LX-435M/182-108+GG** has a module efficiency of **22.61%**, while **Luxor Solar LX-555 M/182-144+** is **21.74%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Luxor Solar LX-435M/182-108+GG use vs Luxor Solar LX-555 M/182-144+? **Luxor Solar LX-435M/182-108+GG** uses **TOPCon** cells; **Luxor Solar LX-555 M/182-144+** uses **N-type**. 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-435M/182-108+GG and Luxor Solar LX-555 M/182-144+? **Luxor Solar LX-435M/182-108+GG** has a **30 years** power warranty; **Luxor Solar LX-555 M/182-144+** has a **25 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-435M/182-108+GG and Luxor Solar LX-555 M/182-144+ bifacial panels? **Luxor Solar LX-435M/182-108+GG** is bifacial (captures light from both faces); **Luxor Solar LX-555 M/182-144+** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath. ## Related comparisons - [Luxor Solar LX-435M/182-108+GG vs Luxor Solar LX-430M/182-108+GG](https://comparepv.com/compare/luxor-solar-lx-435m-182-108-gg/luxor-solar-lx-430m-182-108-gg) - One difference: module efficiency - [Luxor Solar LX-435M/182-108+GG vs Luxor Solar LX-425M/182-108+GG](https://comparepv.com/compare/luxor-solar-lx-435m-182-108-gg/luxor-solar-lx-425m-182-108-gg) - 3 differences, the largest is module efficiency - [Luxor Solar LX-435M/182-108+GG vs Luxor Solar LX-420M/182-108+GG](https://comparepv.com/compare/luxor-solar-lx-435m-182-108-gg/luxor-solar-lx-420m-182-108-gg) - 3 differences, the largest is module efficiency - [Luxor Solar LX-435M/182-108+GG vs Luxor Solar LX-415M/182-108+GG](https://comparepv.com/compare/luxor-solar-lx-435m-182-108-gg/luxor-solar-lx-415m-182-108-gg) - 4 differences, the largest is module efficiency - [Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-575 M/182-144+](https://comparepv.com/compare/luxor-solar-lx-555-m-182-144/luxor-solar-lx-575-m-182-144) - 5 differences, the largest is module efficiency - [Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-570 M/182-144+](https://comparepv.com/compare/luxor-solar-lx-555-m-182-144/luxor-solar-lx-570-m-182-144) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/luxor-solar-lx-435m-182-108-gg/luxor-solar-lx-555-m-182-144 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.