--- title: "Longi Solar LR5-72HTD-575M vs Longi Solar LR7-72HTH-605M - Solar Panel Comparison | ComparePV" description: "Compare Longi Solar LR5-72HTD-575M vs Longi Solar LR7-72HTH-605M side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/longi-lr5-72htd-575m/longi-lr7-72hth-605m" image: "https://comparepv.com/og/compare/panels/longi-lr5-72htd-575m/longi-lr7-72hth-605m.png" updated: 2026-09-11 --- # Longi Solar LR5-72HTD-575M vs Longi Solar LR7-72HTH-605M LR7-72HTH-605M leads on the differences that matter The largest is performance warranty: 5 yrs longer. 9 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 | [Longi Solar LR5-72HTD-575M](https://comparepv.com/panel/longi-lr5-72htd-575m) | [Longi Solar LR7-72HTH-605M](https://comparepv.com/panel/longi-lr7-72hth-605m) | | Manufacturer | Longi Solar | Longi Solar | | Power | 575 Wp | 605 Wp | | Efficiency | 22.30 % | 22.40 % | | Technology | | N-type | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | LR5-72HTD-575M | LR7-72HTH-605M | Difference | | --- | --- | --- | --- | | Performance warranty | 30 yrs | 25 yrs | +5 yrs for LR5-72HTD-575M | | Rated power | 575 Wp | 605 Wp | +30 W for LR7-72HTH-605M | | Weight per kWp | 55.3 kg/kWp | 47.1 kg/kWp | -8.2 kg/kWp for LR7-72HTH-605M | | Weight | 31.8 kg | 28.5 kg | -3.3 kg for LR7-72HTH-605M | | Module area | 2.583 m² | 2.701 m² | 0.118 m² apart | | Bifacial | Yes | No | Yes vs No | | Short-circuit current | 14.06 A | 14.74 A | 0.68 A apart | | Dimensions | 2278x1134x30 mm | 2382x1134x30 mm | 2278x1134x30 mm vs 2382x1134x30 mm | | Current at max power | 13.16 A | 13.75 A | 0.59 A apart | ## Every compared parameter | Parameter | LR5-72HTD-575M | LR7-72HTH-605M | | --- | --- | --- | | Rated power | 575 Wp | 605 Wp | | Module efficiency | 22.30 % | 22.40 % | | Power density | 222.6 Wp/m² | 224.0 Wp/m² | | Open-circuit voltage | 52.15 V | 52.27 V | | Voltage at max power | 43.70 V | 44.03 V | | Short-circuit current | 14.06 A | 14.74 A | | Current at max power | 13.16 A | 13.75 A | | Temperature coefficient | -0.280 %/°C | -0.280 %/°C | | Dimensions | 2278x1134x30 mm | 2382x1134x30 mm | | Module area | 2.583 m² | 2.701 m² | | Weight | 31.8 kg | 28.5 kg | | Weight per kWp | 55.3 kg/kWp | 47.1 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 25 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | - | N-type | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | Bifacial | Yes | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.280 %/°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, LR5-72HTD-575M:** 19,189 kWh - **Cumulative output, LR7-72HTH-605M:** 20,299 kWh - **Gap:** 1,110 kWh ## Output when hot | Condition | Cell temperature | LR5-72HTD-575M | LR7-72HTH-605M | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 575 W | 605 W | 100.0% of rated power | | Cool, bright day | 40 °C | 551 W | 580 W | 95.8% of rated power | | Typical summer roof | 55 °C | 527 W | 554 W | 91.6% of rated power | | Hot roof | 70 °C | 503 W | 529 W | 87.4% of rated power | ## Against the whole database | Measure | LR5-72HTD-575M | LR7-72HTH-605M | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #5,161 | #4,834 | 14,129 | LR7-72HTH-605M leads by 327 places | | Power density | #5,612 | #4,841 | 14,129 | LR7-72HTH-605M leads by 771 places | | Heat behaviour | #1,347 | #1,347 | 14,129 | Tied - the same position in the database | | Weight | #9,846 | #1,498 | 14,129 | LR7-72HTH-605M leads by 8,348 places | | Warranty | #21 | #9,912 | 14,129 | LR5-72HTD-575M leads by 9,891 places | | Overall | #4,357 | #4,074 | 14,129 | LR7-72HTH-605M leads by 283 places | ## Questions ### Which panel is better: Longi Solar LR5-72HTD-575M or Longi Solar LR7-72HTH-605M? According to our database: **Longi Solar LR7-72HTH-605M** has higher module efficiency (**22.40%** vs **22.30%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Longi Solar LR5-72HTD-575M and Longi Solar LR7-72HTH-605M? **Longi Solar LR5-72HTD-575M** has a module efficiency of **22.30%**, while **Longi Solar LR7-72HTH-605M** is **22.40%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Longi Solar LR5-72HTD-575M use vs Longi Solar LR7-72HTH-605M? **Longi Solar LR5-72HTD-575M** uses Monocrystalline cells; **Longi Solar LR7-72HTH-605M** 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 Longi Solar LR5-72HTD-575M and Longi Solar LR7-72HTH-605M? **Longi Solar LR5-72HTD-575M** has a **30 years** power warranty; **Longi Solar LR7-72HTH-605M** 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 Longi Solar LR5-72HTD-575M and Longi Solar LR7-72HTH-605M bifacial panels? **Longi Solar LR5-72HTD-575M** is bifacial (captures light from both faces); **Longi Solar LR7-72HTH-605M** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath. ## Related comparisons - [Longi Solar LR5-72HTD-575M vs Longi Solar LR7-72HTH-615M](https://comparepv.com/compare/longi-lr5-72htd-575m/longi-lr7-72hth-615m) - 11 differences, the largest is rated power - [Longi Solar LR5-72HTD-575M vs Longi Solar LR7-72HTH-610M](https://comparepv.com/compare/longi-lr5-72htd-575m/longi-lr7-72hth-610m) - 11 differences, the largest is performance warranty - [Longi Solar LR5-72HTD-575M vs Longi Solar LR5-72HTD-585M](https://comparepv.com/compare/longi-lr5-72htd-575m/longi-lr5-72htd-585m) - 3 differences, the largest is module efficiency - [Longi Solar LR5-72HTD-575M vs Longi Solar LR5-72HTH-585M](https://comparepv.com/compare/longi-lr5-72htd-575m/longi-lr5-72hth-585m) - 8 differences, the largest is performance warranty - [Longi Solar LR5-72HTD-575M vs Longi Solar LR5-72HTD-580M](https://comparepv.com/compare/longi-lr5-72htd-575m/longi-lr5-72htd-580m) - One difference: module efficiency - [Longi Solar LR5-72HTD-575M vs Longi Solar LR5-72HTH-580M](https://comparepv.com/compare/longi-lr5-72htd-575m/longi-lr5-72hth-580m) - 6 differences, the largest is performance warranty --- Source: https://comparepv.com/compare/longi-lr5-72htd-575m/longi-lr7-72hth-605m 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.