--- title: "Longi Solar LR5-54HTB-430M vs Longi Solar LR7-72HTH-615M - Solar Panel Comparison | ComparePV" description: "Compare Longi Solar LR5-54HTB-430M vs Longi Solar LR7-72HTH-615M side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/longi-lr5-54htb-430m/longi-lr7-72hth-615m" image: "https://comparepv.com/og/compare/panels/longi-lr5-54htb-430m/longi-lr7-72hth-615m.png" updated: 2026-09-11 --- # Longi Solar LR5-54HTB-430M vs Longi Solar LR7-72HTH-615M LR7-72HTH-615M leads on the differences that matter The largest is module efficiency: 0.80 pp more efficient. 5 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 LR5-54HTB-430M](https://comparepv.com/panel/longi-lr5-54htb-430m) | [Longi Solar LR7-72HTH-615M](https://comparepv.com/panel/longi-lr7-72hth-615m) | | Manufacturer | Longi Solar | Longi Solar | | Power | 430 Wp | 615 Wp | | Efficiency | 22.00 % | 22.80 % | | Technology | | N-type | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | LR5-54HTB-430M | LR7-72HTH-615M | Difference | | --- | --- | --- | --- | | Module efficiency | 22.00 % | 22.80 % | +0.80 pp for LR7-72HTH-615M | | Rated power | 430 Wp | 615 Wp | +185 W for LR7-72HTH-615M | | Weight | 20.8 kg | 28.5 kg | -7.7 kg for LR5-54HTB-430M | | Power density | 220.2 Wp/m² | 227.7 Wp/m² | +7.5 Wp/m² for LR7-72HTH-615M | | Open-circuit voltage | 39.43 V | 52.57 V | 13.14 V apart | | Module area | 1.953 m² | 2.701 m² | 0.748 m² apart | | Temperature coefficient | -0.290 %/°C | -0.280 %/°C | +0.010 %/°C for LR7-72HTH-615M | | Voltage at max power | 33.16 V | 44.33 V | 11.17 V apart | | Cell count | 108 | 144 | 36 cells apart | | Short-circuit current | 14.00 A | 14.87 A | 0.87 A apart | | Weight per kWp | 48.4 kg/kWp | 46.3 kg/kWp | -2.0 kg/kWp for LR7-72HTH-615M | | Dimensions | 1722x1134x30 mm | 2382x1134x30 mm | 1722x1134x30 mm vs 2382x1134x30 mm | | Current at max power | 12.97 A | 13.88 A | 0.91 A apart | ## Every compared parameter | Parameter | LR5-54HTB-430M | LR7-72HTH-615M | | --- | --- | --- | | Rated power | 430 Wp | 615 Wp | | Module efficiency | 22.00 % | 22.80 % | | Power density | 220.2 Wp/m² | 227.7 Wp/m² | | Open-circuit voltage | 39.43 V | 52.57 V | | Voltage at max power | 33.16 V | 44.33 V | | Short-circuit current | 14.00 A | 14.87 A | | Current at max power | 12.97 A | 13.88 A | | Temperature coefficient | -0.290 %/°C | -0.280 %/°C | | Dimensions | 1722x1134x30 mm | 2382x1134x30 mm | | Module area | 1.953 m² | 2.701 m² | | Weight | 20.8 kg | 28.5 kg | | Weight per kWp | 48.4 kg/kWp | 46.3 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | - | N-type | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 144 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year - **Cumulative output, LR5-54HTB-430M:** 14,350 kWh - **Cumulative output, LR7-72HTH-615M:** 20,634 kWh - **Gap:** 6,284 kWh ## Output when hot | Condition | Cell temperature | LR5-54HTB-430M | LR7-72HTH-615M | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 430 W | 615 W | 100.0% of rated power | | Cool, bright day | 40 °C | 411 W | 589 W | 95.7% of rated power | | Typical summer roof | 55 °C | 393 W | 563 W | 91.3% of rated power | | Hot roof | 70 °C | 374 W | 538 W | 87.0% of rated power | ## Against the whole database | Measure | LR5-54HTB-430M | LR7-72HTH-615M | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #6,580 | #2,769 | 14,129 | LR7-72HTH-615M leads by 3,811 places | | Power density | #6,544 | #3,132 | 14,129 | LR7-72HTH-615M leads by 3,412 places | | Heat behaviour | #2,220 | #1,347 | 14,129 | LR7-72HTH-615M leads by 873 places | | Weight | #2,236 | #1,120 | 14,129 | LR7-72HTH-615M leads by 1,116 places | | Warranty | #9,912 | #9,912 | 14,129 | Tied - the same position in the database | | Overall | #10,323 | #3,260 | 14,129 | LR7-72HTH-615M leads by 7,063 places | ## Questions ### Which panel is better: Longi Solar LR5-54HTB-430M or Longi Solar LR7-72HTH-615M? According to our database: **Longi Solar LR7-72HTH-615M** has higher module efficiency (**22.80%** vs **22.00%**); **Longi Solar LR7-72HTH-615M** tolerates heat better (temp coeff **-0.280%/°C** vs **-0.290%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Longi Solar LR5-54HTB-430M and Longi Solar LR7-72HTH-615M? **Longi Solar LR5-54HTB-430M** has a module efficiency of **22.00%**, while **Longi Solar LR7-72HTH-615M** is **22.80%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Longi Solar LR5-54HTB-430M use vs Longi Solar LR7-72HTH-615M? **Longi Solar LR5-54HTB-430M** uses Monocrystalline cells; **Longi Solar LR7-72HTH-615M** 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 LR5-54HTB-430M and Longi Solar LR7-72HTH-615M? **Longi Solar LR5-54HTB-430M** has a **25 years** power warranty; **Longi Solar LR7-72HTH-615M** 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 - [Longi Solar LR5-54HTB-430M vs Longi Solar LR7-72HTH-610M](https://comparepv.com/compare/longi-lr5-54htb-430m/longi-lr7-72hth-610m) - 12 differences, the largest is rated power - [Longi Solar LR5-54HTB-430M vs Longi Solar LR7-72HTH-605M](https://comparepv.com/compare/longi-lr5-54htb-430m/longi-lr7-72hth-605m) - 12 differences, the largest is rated power - [Longi Solar LR5-54HTB-430M vs Longi Solar LR5-72HTD-585M](https://comparepv.com/compare/longi-lr5-54htb-430m/longi-lr5-72htd-585m) - 13 differences, the largest is rated power - [Longi Solar LR5-54HTB-430M vs Longi Solar LR5-72HTH-585M](https://comparepv.com/compare/longi-lr5-54htb-430m/longi-lr5-72hth-585m) - 9 differences, the largest is rated power - [Longi Solar LR5-54HTB-430M vs Longi Solar LR5-72HTD-580M](https://comparepv.com/compare/longi-lr5-54htb-430m/longi-lr5-72htd-580m) - 13 differences, the largest is rated power - [Longi Solar LR5-54HTB-430M vs Longi Solar LR5-72HTH-580M](https://comparepv.com/compare/longi-lr5-54htb-430m/longi-lr5-72hth-580m) - 9 differences, the largest is rated power --- Source: https://comparepv.com/compare/longi-lr5-54htb-430m/longi-lr7-72hth-615m 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.