--- title: "Exiom EX530MB-144BF vs Exiom EX535MB-144BF - Solar Panel Comparison | ComparePV" description: "Compare Exiom EX530MB-144BF vs Exiom EX535MB-144BF side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/exiom-ex530mb-144bf/exiom-ex535mb-144bf" updated: 2026-09-11 --- # Exiom EX530MB-144BF vs Exiom EX535MB-144BF EX535MB-144BF leads on the differences that matter The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Exiom EX530MB-144BF](https://comparepv.com/panel/exiom-ex530mb-144bf) | [Exiom EX535MB-144BF](https://comparepv.com/panel/exiom-ex535mb-144bf) | | Manufacturer | Exiom | Exiom | | Power | 530 Wp | 535 Wp | | Efficiency | 20.50 % | 20.70 % | | Technology | PERC | PERC | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | EX530MB-144BF | EX535MB-144BF | Difference | | --- | --- | --- | --- | | Module efficiency | 20.50 % | 20.70 % | +0.20 pp for EX535MB-144BF | ## Every compared parameter | Parameter | EX530MB-144BF | EX535MB-144BF | | --- | --- | --- | | Rated power | 530 Wp | 535 Wp | | Module efficiency | 20.50 % | 20.70 % | | Power density | 205.1 Wp/m² | 207.0 Wp/m² | | Open-circuit voltage | 49.61 V | 49.87 V | | Voltage at max power | 41.28 V | 41.51 V | | Short-circuit current | 13.66 A | 13.72 A | | Current at max power | 12.84 A | 12.89 A | | Temperature coefficient | -0.350 %/°C | -0.350 %/°C | | Dimensions | 2279x1134 mm | 2279x1134 mm | | Module area | 2.584 m² | 2.584 m² | | Weight | 32.5 kg | 32.5 kg | | Weight per kWp | 61.3 kg/kWp | 60.7 kg/kWp | | Product warranty | 25 yrs | 25 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.60 %/yr | 0.60 %/yr | | Cell technology | PERC | PERC | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | Bifacial | Yes | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.350 %/°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, EX530MB-144BF:** 16,935 kWh - **Cumulative output, EX535MB-144BF:** 17,095 kWh - **Gap:** 160 kWh ## Output when hot | Condition | Cell temperature | EX530MB-144BF | EX535MB-144BF | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 530 W | 535 W | 100.0% of rated power | | Cool, bright day | 40 °C | 502 W | 507 W | 94.8% of rated power | | Typical summer roof | 55 °C | 474 W | 479 W | 89.5% of rated power | | Hot roof | 70 °C | 447 W | 451 W | 84.2% of rated power | ## Against the whole database | Measure | EX530MB-144BF | EX535MB-144BF | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #11,308 | #10,764 | 14,005 | EX535MB-144BF leads by 544 places | | Power density | #11,321 | #10,849 | 14,005 | EX535MB-144BF leads by 472 places | | Heat behaviour | #10,419 | #10,419 | 14,005 | Tied - the same position in the database | | Weight | #12,627 | #12,525 | 14,005 | EX535MB-144BF leads by 102 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #5,885 | #5,471 | 14,005 | EX535MB-144BF leads by 414 places | ## Questions ### Which panel is better: Exiom EX530MB-144BF or Exiom EX535MB-144BF? According to our database: **Exiom EX535MB-144BF** has higher module efficiency (**20.70%** vs **20.50%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Exiom EX530MB-144BF and Exiom EX535MB-144BF? **Exiom EX530MB-144BF** has a module efficiency of **20.50%**, while **Exiom EX535MB-144BF** is **20.70%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Exiom EX530MB-144BF use vs Exiom EX535MB-144BF? **Exiom EX530MB-144BF** uses **PERC** cells; **Exiom EX535MB-144BF** uses **PERC**. 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 Exiom EX530MB-144BF and Exiom EX535MB-144BF? **Exiom EX530MB-144BF** has a **30 years** power warranty; **Exiom EX535MB-144BF** 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 Exiom EX530MB-144BF and Exiom EX535MB-144BF bifacial panels? Both **Exiom EX530MB-144BF** and **Exiom EX535MB-144BF** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [Exiom EX530MB-144BF vs Exiom EX550MB-144BF](https://comparepv.com/compare/exiom-ex530mb-144bf/exiom-ex550mb-144bf) - 4 differences, the largest is module efficiency - [Exiom EX530MB-144BF vs Exiom EX545MB-144BF](https://comparepv.com/compare/exiom-ex530mb-144bf/exiom-ex545mb-144bf) - 3 differences, the largest is module efficiency - [Exiom EX530MB-144BF vs Exiom EX540MB-144BF](https://comparepv.com/compare/exiom-ex530mb-144bf/exiom-ex540mb-144bf) - 3 differences, the largest is module efficiency - [Exiom EX530MB-144BF vs Exiom EX605TC-144HC182BF](https://comparepv.com/compare/exiom-ex530mb-144bf/exiom-ex605tc-144hc182bf) - 11 differences, the largest is module efficiency - [Exiom EX530MB-144BF vs Exiom EX600TC-144HC182BF](https://comparepv.com/compare/exiom-ex530mb-144bf/exiom-ex600tc-144hc182bf) - 11 differences, the largest is module efficiency - [Exiom EX530MB-144BF vs Exiom EX595TC-144HC182BF](https://comparepv.com/compare/exiom-ex530mb-144bf/exiom-ex595tc-144hc182bf) - 11 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/exiom-ex530mb-144bf/exiom-ex535mb-144bf 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.