--- title: "JA Solar JAM54D41-440/LR vs Jinko Solar JKM470N-48HL4M-BDV-Z2-EU - Solar Panel Comparison | ComparePV" description: "Compare JA Solar JAM54D41-440/LR vs Jinko Solar JKM470N-48HL4M-BDV-Z2-EU side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/ja-solar-jam54d41-440-lr/jinkosolar-jkm470n-48hl4m-bdv-z2-eu" image: "https://comparepv.com/og/compare/panels/ja-solar-jam54d41-440-lr/jinkosolar-jkm470n-48hl4m-bdv-z2-eu.png" updated: 2026-09-11 --- # JA Solar JAM54D41-440/LR vs Jinko Solar JKM470N-48HL4M-BDV-Z2-EU JKM470N-48HL4M-BDV-Z2-EU leads on the differences that matter The largest is module efficiency: 1.52 pp more efficient. 9 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [JA Solar JAM54D41-440/LR](https://comparepv.com/panel/ja-solar-jam54d41-440-lr) | [Jinko Solar JKM470N-48HL4M-BDV-Z2-EU](https://comparepv.com/panel/jinkosolar-jkm470n-48hl4m-bdv-z2-eu) | | Manufacturer | JA Solar | Jinko Solar | | Power | 440 Wp | 470 Wp | | Efficiency | 22.00 % | 23.52 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | JAM54D41-440/LR | JKM470N-48HL4M-BDV-Z2-EU | Difference | | --- | --- | --- | --- | | Module efficiency | 22.00 % | 23.52 % | +1.52 pp for JKM470N-48HL4M-BDV-Z2-EU | | Power density | 220.2 Wp/m² | 235.2 Wp/m² | +15.0 Wp/m² for JKM470N-48HL4M-BDV-Z2-EU | | Rated power | 440 Wp | 470 Wp | +30 W for JKM470N-48HL4M-BDV-Z2-EU | | Short-circuit current | 14.31 A | 15.85 A | 1.54 A apart | | Weight | 22.0 kg | 24.0 kg | -2.0 kg for JAM54D41-440/LR | | Open-circuit voltage | 38.90 V | 36.87 V | 2.03 V apart | | Cell count | 108 | 96 | 12 cells apart | | Bifacial | No | Yes | No vs Yes | | Current at max power | 13.55 A | 14.94 A | 1.39 A apart | | Voltage at max power | 32.47 V | 31.46 V | 1.01 V apart | ## Every compared parameter | Parameter | JAM54D41-440/LR | JKM470N-48HL4M-BDV-Z2-EU | | --- | --- | --- | | Rated power | 440 Wp | 470 Wp | | Module efficiency | 22.00 % | 23.52 % | | Power density | 220.2 Wp/m² | 235.2 Wp/m² | | Open-circuit voltage | 38.90 V | 36.87 V | | Voltage at max power | 32.47 V | 31.46 V | | Short-circuit current | 14.31 A | 15.85 A | | Current at max power | 13.55 A | 14.94 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 1762x1134x30 mm | 1762x1134x30 mm | | Module area | 1.998 m² | 1.998 m² | | Weight | 22.0 kg | 24.0 kg | | Weight per kWp | 50.0 kg/kWp | 51.1 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 96 | | Bifacial | No | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.290 %/°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, JAM54D41-440/LR:** 14,763 kWh - **Cumulative output, JKM470N-48HL4M-BDV-Z2-EU:** 15,769 kWh - **Gap:** 1,006 kWh ## Output when hot | Condition | Cell temperature | JAM54D41-440/LR | JKM470N-48HL4M-BDV-Z2-EU | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 440 W | 470 W | 100.0% of rated power | | Cool, bright day | 40 °C | 421 W | 450 W | 95.7% of rated power | | Typical summer roof | 55 °C | 402 W | 429 W | 91.3% of rated power | | Hot roof | 70 °C | 383 W | 409 W | 87.0% of rated power | ## Against the whole database | Measure | JAM54D41-440/LR | JKM470N-48HL4M-BDV-Z2-EU | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #6,580 | #711 | 14,129 | JKM470N-48HL4M-BDV-Z2-EU leads by 5,869 places | | Power density | #6,391 | #707 | 14,129 | JKM470N-48HL4M-BDV-Z2-EU leads by 5,684 places | | Heat behaviour | #2,220 | #2,220 | 14,129 | Tied - the same position in the database | | Weight | #3,329 | #4,417 | 14,129 | JAM54D41-440/LR leads by 1,088 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #9,373 | #6,477 | 14,129 | JKM470N-48HL4M-BDV-Z2-EU leads by 2,896 places | ## Questions ### Which panel is better: JA Solar JAM54D41-440/LR or Jinko Solar JKM470N-48HL4M-BDV-Z2-EU? According to our database: **Jinko Solar JKM470N-48HL4M-BDV-Z2-EU** has higher module efficiency (**23.52%** vs **22.00%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of JA Solar JAM54D41-440/LR and Jinko Solar JKM470N-48HL4M-BDV-Z2-EU? **JA Solar JAM54D41-440/LR** has a module efficiency of **22.00%**, while **Jinko Solar JKM470N-48HL4M-BDV-Z2-EU** is **23.52%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does JA Solar JAM54D41-440/LR use vs Jinko Solar JKM470N-48HL4M-BDV-Z2-EU? **JA Solar JAM54D41-440/LR** uses **TOPCon** cells; **Jinko Solar JKM470N-48HL4M-BDV-Z2-EU** 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 JA Solar JAM54D41-440/LR and Jinko Solar JKM470N-48HL4M-BDV-Z2-EU? **JA Solar JAM54D41-440/LR** has a **30 years** power warranty; **Jinko Solar JKM470N-48HL4M-BDV-Z2-EU** 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 JA Solar JAM54D41-440/LR and Jinko Solar JKM470N-48HL4M-BDV-Z2-EU bifacial panels? **Jinko Solar JKM470N-48HL4M-BDV-Z2-EU** is bifacial (captures light from both faces); **JA Solar JAM54D41-440/LR** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath. ## Related comparisons - [JA Solar JAM54D41-440/LR vs JA Solar JAM54D41-455/LR](https://comparepv.com/compare/ja-solar-jam54d41-440-lr/ja-solar-jam54d41-455-lr) - 4 differences, the largest is module efficiency - [JA Solar JAM54D41-440/LR vs JA Solar JAM54D41-450/LR](https://comparepv.com/compare/ja-solar-jam54d41-440-lr/ja-solar-jam54d41-450-lr) - 4 differences, the largest is module efficiency - [JA Solar JAM54D41-440/LR vs JA Solar JAM54D41-445/LR](https://comparepv.com/compare/ja-solar-jam54d41-440-lr/ja-solar-jam54d41-445-lr) - One difference: module efficiency - [Jinko Solar JKM470N-48HL4M-BDV-Z2-EU vs Jinko Solar JKM525-54HL4M-BDV](https://comparepv.com/compare/jinkosolar-jkm470n-48hl4m-bdv-z2-eu/jinkosolar-jkm525-54hl4m-bdv) - 7 differences, the largest is rated power - [Jinko Solar JKM470N-48HL4M-BDV-Z2-EU vs Jinko Solar JKM520-54HL4M-BDV](https://comparepv.com/compare/jinkosolar-jkm470n-48hl4m-bdv-z2-eu/jinkosolar-jkm520-54hl4m-bdv) - 7 differences, the largest is rated power - [Jinko Solar JKM470N-48HL4M-BDV-Z2-EU vs Jinko Solar JKM515-54HL4M-BDV](https://comparepv.com/compare/jinkosolar-jkm470n-48hl4m-bdv-z2-eu/jinkosolar-jkm515-54hl4m-bdv) - 9 differences, the largest is rated power --- Source: https://comparepv.com/compare/ja-solar-jam54d41-440-lr/jinkosolar-jkm470n-48hl4m-bdv-z2-eu 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.