--- title: "Exiom EX550MB-144BF vs Exiom EX595TC-144HC182BF - Solar Panel Comparison | ComparePV" description: "Compare Exiom EX550MB-144BF vs Exiom EX595TC-144HC182BF side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/exiom-ex550mb-144bf/exiom-ex595tc-144hc182bf" updated: 2026-09-11 --- # Exiom EX550MB-144BF vs Exiom EX595TC-144HC182BF EX595TC-144HC182BF leads on the differences that matter The largest is module efficiency: 1.70 pp more efficient. 7 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 | [Exiom EX550MB-144BF](https://comparepv.com/panel/exiom-ex550mb-144bf) | [Exiom EX595TC-144HC182BF](https://comparepv.com/panel/exiom-ex595tc-144hc182bf) | | Manufacturer | Exiom | Exiom | | Power | 550 Wp | 595 Wp | | Efficiency | 21.30 % | 23.00 % | | Technology | PERC | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | EX550MB-144BF | EX595TC-144HC182BF | Difference | | --- | --- | --- | --- | | Module efficiency | 21.30 % | 23.00 % | +1.70 pp for EX595TC-144HC182BF | | Temperature coefficient | -0.350 %/°C | -0.280 %/°C | +0.070 %/°C for EX595TC-144HC182BF | | Rated power | 550 Wp | 595 Wp | +45 W for EX595TC-144HC182BF | | Power density | 212.8 Wp/m² | 230.2 Wp/m² | +17.4 Wp/m² for EX595TC-144HC182BF | | Weight per kWp | 59.1 kg/kWp | 52.9 kg/kWp | -6.1 kg/kWp for EX595TC-144HC182BF | | Cell technology | PERC | TOPCon | PERC vs TOPCon | | Weight | 32.5 kg | 31.5 kg | -1.0 kg for EX595TC-144HC182BF | | Open-circuit voltage | 50.28 V | 51.74 V | 1.46 V apart | | Short-circuit current | 13.90 A | 14.46 A | 0.56 A apart | | Voltage at max power | 42.11 V | 43.55 V | 1.44 V apart | | Current at max power | 13.06 A | 13.66 A | 0.60 A apart | ## Every compared parameter | Parameter | EX550MB-144BF | EX595TC-144HC182BF | | --- | --- | --- | | Rated power | 550 Wp | 595 Wp | | Module efficiency | 21.30 % | 23.00 % | | Power density | 212.8 Wp/m² | 230.2 Wp/m² | | Open-circuit voltage | 50.28 V | 51.74 V | | Voltage at max power | 42.11 V | 43.55 V | | Short-circuit current | 13.90 A | 14.46 A | | Current at max power | 13.06 A | 13.66 A | | Temperature coefficient | -0.350 %/°C | -0.280 %/°C | | Dimensions | 2279x1134 mm | 2279x1134 mm | | Module area | 2.584 m² | 2.584 m² | | Weight | 32.5 kg | 31.5 kg | | Weight per kWp | 59.1 kg/kWp | 52.9 kg/kWp | | Product warranty | 25 yrs | 25 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.60 %/yr | - | | Cell technology | PERC | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | Bifacial | Yes | Yes | ## Thirty-year yield A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year - **Cumulative output, EX550MB-144BF:** 18,454 kWh - **Cumulative output, EX595TC-144HC182BF:** 19,963 kWh - **Gap:** 1,509 kWh ## Output when hot | Condition | Cell temperature | EX550MB-144BF | EX595TC-144HC182BF | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 550 W | 595 W | 100.0% of rated power | | Cool, bright day | 40 °C | 521 W | 570 W | 94.8% of rated power | | Typical summer roof | 55 °C | 492 W | 545 W | 89.5% of rated power | | Hot roof | 70 °C | 463 W | 520 W | 84.2% of rated power | ## Against the whole database | Measure | EX550MB-144BF | EX595TC-144HC182BF | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #8,519 | #1,919 | 14,005 | EX595TC-144HC182BF leads by 6,600 places | | Power density | #8,643 | #1,869 | 14,005 | EX595TC-144HC182BF leads by 6,774 places | | Heat behaviour | #10,419 | #1,309 | 14,005 | EX595TC-144HC182BF leads by 9,110 places | | Weight | #12,010 | #6,657 | 14,005 | EX595TC-144HC182BF leads by 5,353 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #4,303 | #1,417 | 14,005 | EX595TC-144HC182BF leads by 2,886 places | ## Questions ### Which panel is better: Exiom EX550MB-144BF or Exiom EX595TC-144HC182BF? According to our database: **Exiom EX595TC-144HC182BF** has higher module efficiency (**23.00%** vs **21.30%**); **Exiom EX595TC-144HC182BF** tolerates heat better (temp coeff **-0.280%/°C** vs **-0.350%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Exiom EX550MB-144BF and Exiom EX595TC-144HC182BF? **Exiom EX550MB-144BF** has a module efficiency of **21.30%**, while **Exiom EX595TC-144HC182BF** is **23.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Exiom EX550MB-144BF use vs Exiom EX595TC-144HC182BF? **Exiom EX550MB-144BF** uses **PERC** cells; **Exiom EX595TC-144HC182BF** 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 Exiom EX550MB-144BF and Exiom EX595TC-144HC182BF? **Exiom EX550MB-144BF** has a **30 years** power warranty; **Exiom EX595TC-144HC182BF** 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 EX550MB-144BF and Exiom EX595TC-144HC182BF bifacial panels? Both **Exiom EX550MB-144BF** and **Exiom EX595TC-144HC182BF** 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 EX550MB-144BF vs Exiom EX545MB-144BF](https://comparepv.com/compare/exiom-ex550mb-144bf/exiom-ex545mb-144bf) - One difference: module efficiency - [Exiom EX550MB-144BF vs Exiom EX540MB-144BF](https://comparepv.com/compare/exiom-ex550mb-144bf/exiom-ex540mb-144bf) - 3 differences, the largest is module efficiency - [Exiom EX550MB-144BF vs Exiom EX535MB-144BF](https://comparepv.com/compare/exiom-ex550mb-144bf/exiom-ex535mb-144bf) - 3 differences, the largest is module efficiency - [Exiom EX550MB-144BF vs Exiom EX530MB-144BF](https://comparepv.com/compare/exiom-ex550mb-144bf/exiom-ex530mb-144bf) - 4 differences, the largest is module efficiency - [Exiom EX595TC-144HC182BF vs Exiom EX605TC-144HC182BF](https://comparepv.com/compare/exiom-ex595tc-144hc182bf/exiom-ex605tc-144hc182bf) - 3 differences, the largest is module efficiency - [Exiom EX595TC-144HC182BF vs Exiom EX600TC-144HC182BF](https://comparepv.com/compare/exiom-ex595tc-144hc182bf/exiom-ex600tc-144hc182bf) - One difference: module efficiency --- Source: https://comparepv.com/compare/exiom-ex550mb-144bf/exiom-ex595tc-144hc182bf 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.