--- title: "Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-575 M/182-144+ - Solar Panel Comparison | ComparePV" description: "Compare Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-575 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-555-m-182-144/luxor-solar-lx-575-m-182-144" image: "https://comparepv.com/og/compare/panels/luxor-solar-lx-555-m-182-144/luxor-solar-lx-575-m-182-144.png" updated: 2026-09-11 --- # Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-575 M/182-144+ 575 M/182-144+ leads on the differences that matter The largest is module efficiency: 0.77 pp more efficient. 13 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-555 M/182-144+](https://comparepv.com/panel/luxor-solar-lx-555-m-182-144) | [Luxor Solar LX-575 M/182-144+](https://comparepv.com/panel/luxor-solar-lx-575-m-182-144) | | Manufacturer | Luxor Solar | Luxor Solar | | Power | 555 Wp | 575 Wp | | Efficiency | 21.74 % | 22.51 % | | Technology | N-type | N-type | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 555 M/182-144+ | 575 M/182-144+ | Difference | | --- | --- | --- | --- | | Module efficiency | 21.74 % | 22.51 % | +0.77 pp for 575 M/182-144+ | | Power density | 214.8 Wp/m² | 222.5 Wp/m² | +7.7 Wp/m² for 575 M/182-144+ | | Rated power | 555 Wp | 575 Wp | +20 W for 575 M/182-144+ | | Open-circuit voltage | 50.57 V | 51.79 V | 1.22 V apart | | Voltage at max power | 41.77 V | 42.78 V | 1.01 V apart | ## Every compared parameter | Parameter | 555 M/182-144+ | 575 M/182-144+ | | --- | --- | --- | | Rated power | 555 Wp | 575 Wp | | Module efficiency | 21.74 % | 22.51 % | | Power density | 214.8 Wp/m² | 222.5 Wp/m² | | Open-circuit voltage | 50.57 V | 51.79 V | | Voltage at max power | 41.77 V | 42.78 V | | Short-circuit current | 14.02 A | 14.19 A | | Current at max power | 13.29 A | 13.45 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2279x1134x35 mm | 2279x1134x35 mm | | Module area | 2.584 m² | 2.584 m² | | Weight | 29.0 kg | 29.0 kg | | Weight per kWp | 52.3 kg/kWp | 50.4 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | - | - | | Cell technology | N-type | N-type | | 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 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, 555 M/182-144+:** 18,621 kWh - **Cumulative output, 575 M/182-144+:** 19,292 kWh - **Gap:** 671 kWh ## Output when hot | Condition | Cell temperature | 555 M/182-144+ | 575 M/182-144+ | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 555 W | 575 W | 100.0% of rated power | | Cool, bright day | 40 °C | 530 W | 549 W | 95.5% of rated power | | Typical summer roof | 55 °C | 505 W | 523 W | 91.0% of rated power | | Hot roof | 70 °C | 480 W | 497 W | 86.5% of rated power | ## Against the whole database | Measure | 555 M/182-144+ | 575 M/182-144+ | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #7,428 | #4,269 | 14,129 | 575 M/182-144+ leads by 3,159 places | | Power density | #8,213 | #5,731 | 14,129 | 575 M/182-144+ leads by 2,482 places | | Heat behaviour | #6,152 | #6,152 | 14,129 | Tied - the same position in the database | | Weight | #5,753 | #3,825 | 14,129 | 575 M/182-144+ leads by 1,928 places | | Warranty | #9,912 | #9,912 | 14,129 | Tied - the same position in the database | | Overall | #6,685 | #5,067 | 14,129 | 575 M/182-144+ leads by 1,618 places | ## Questions ### Which panel is better: Luxor Solar LX-555 M/182-144+ or Luxor Solar LX-575 M/182-144+? According to our database: **Luxor Solar LX-575 M/182-144+** has higher module efficiency (**22.51%** 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-555 M/182-144+ and Luxor Solar LX-575 M/182-144+? **Luxor Solar LX-555 M/182-144+** has a module efficiency of **21.74%**, while **Luxor Solar LX-575 M/182-144+** is **22.51%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Luxor Solar LX-555 M/182-144+ use vs Luxor Solar LX-575 M/182-144+? **Luxor Solar LX-555 M/182-144+** uses **N-type** cells; **Luxor Solar LX-575 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-555 M/182-144+ and Luxor Solar LX-575 M/182-144+? **Luxor Solar LX-555 M/182-144+** has a **25 years** power warranty; **Luxor Solar LX-575 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. ## Related comparisons - [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 - [Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-565 M/182-144+](https://comparepv.com/compare/luxor-solar-lx-555-m-182-144/luxor-solar-lx-565-m-182-144) - 3 differences, the largest is module efficiency - [Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-560 M/182-144+](https://comparepv.com/compare/luxor-solar-lx-555-m-182-144/luxor-solar-lx-560-m-182-144) - The same specification on paper - [Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX - 440 M/182-108+ GG](https://comparepv.com/compare/luxor-solar-lx-555-m-182-144/luxor-solar-lx-440-m-182-108-gg) - 16 differences, the largest is module efficiency - [Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-435M/182-108+GG](https://comparepv.com/compare/luxor-solar-lx-555-m-182-144/luxor-solar-lx-435m-182-108-gg) - 14 differences, the largest is module efficiency - [Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX - 435 M/182-108+ GG](https://comparepv.com/compare/luxor-solar-lx-555-m-182-144/luxor-solar-lx-435-m-182-108-gg) - 17 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/luxor-solar-lx-555-m-182-144/luxor-solar-lx-575-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.