--- title: "AIKO AIKO-A490-MCE54Mw vs Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE - Solar Panel Comparison | ComparePV" description: "Compare AIKO AIKO-A490-MCE54Mw vs Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/aiko-aiko-a490-mce54mw/heckert-solar-zeus-3-0-108-490wp-performance" updated: 2026-09-13 --- # AIKO AIKO-A490-MCE54Mw vs Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE AIKO-A490-MCE54Mw leads on the differences that matter The largest is module efficiency: 0.50 pp more efficient. 10 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | [Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-490wp-performance) | | Manufacturer | AIKO | Heckert Solar | | Power | 490 Wp | 490 Wp | | Efficiency | 24.50 % | 24.00 % | | Technology | Back Contact | Back Contact | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | AIKO-A490-MCE54Mw | ZEUS 3.0+ 108 490WP PERFORMANCE | Difference | | --- | --- | --- | --- | | Module efficiency | 24.50 % | 24.00 % | +0.50 pp for AIKO-A490-MCE54Mw | | Product warranty | 15 yrs | 30 yrs | +15 yrs for ZEUS 3.0+ 108 490WP PERFORMANCE | | Weight per kWp | 42.9 kg/kWp | 50.6 kg/kWp | -7.8 kg/kWp for AIKO-A490-MCE54Mw | | Weight | 21.0 kg | 24.8 kg | -3.8 kg for AIKO-A490-MCE54Mw | | Annual degradation | 0.35 %/yr | 0.45 %/yr | -0.10 %/yr for AIKO-A490-MCE54Mw | | Power density | 245.2 Wp/m² | 240.1 Wp/m² | +5.2 Wp/m² for AIKO-A490-MCE54Mw | | Module area | 1.998 m² | 2.041 m² | 0.043 m² apart | | Bifacial | No | Yes | No vs Yes | | Dimensions | 1762x1134x30 mm | 1800x1134x30 mm | 1762x1134x30 mm vs 1800x1134x30 mm | ## Every compared parameter | Parameter | AIKO-A490-MCE54Mw | ZEUS 3.0+ 108 490WP PERFORMANCE | | --- | --- | --- | | Rated power | 490 Wp | 490 Wp | | Module efficiency | 24.50 % | 24.00 % | | Power density | 245.2 Wp/m² | 240.1 Wp/m² | | Open-circuit voltage | 41.00 V | 41.02 V | | Voltage at max power | 34.40 V | 34.04 V | | Short-circuit current | 14.94 A | 15.10 A | | Current at max power | 14.25 A | 14.40 A | | Temperature coefficient | -0.260 %/°C | -0.260 %/°C | | Dimensions | 1762x1134x30 mm | 1800x1134x30 mm | | Module area | 1.998 m² | 2.041 m² | | Weight | 21.0 kg | 24.8 kg | | Weight per kWp | 42.9 kg/kWp | 50.6 kg/kWp | | Product warranty | 15 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.35 %/yr | 0.45 %/yr | | Cell technology | Back Contact | Back Contact | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 108 | | 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 (-0.260 %/°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, AIKO-A490-MCE54Mw:** 16,568 kWh - **Cumulative output, ZEUS 3.0+ 108 490WP PERFORMANCE:** 16,136 kWh - **Gap:** 432 kWh ## Output when hot | Condition | Cell temperature | AIKO-A490-MCE54Mw | ZEUS 3.0+ 108 490WP PERFORMANCE | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 490 W | 490 W | 100.0% of rated power | | Cool, bright day | 40 °C | 471 W | 471 W | 96.1% of rated power | | Typical summer roof | 55 °C | 452 W | 452 W | 92.2% of rated power | | Hot roof | 70 °C | 433 W | 433 W | 88.3% of rated power | ## Against the whole database | Measure | AIKO-A490-MCE54Mw | ZEUS 3.0+ 108 490WP PERFORMANCE | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #74 | #303 | 14,005 | AIKO-A490-MCE54Mw leads by 229 places | | Power density | #74 | #313 | 14,005 | AIKO-A490-MCE54Mw leads by 239 places | | Heat behaviour | #511 | #511 | 14,005 | Tied - the same position in the database | | Weight | #250 | #4,047 | 14,005 | AIKO-A490-MCE54Mw leads by 3,797 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #4,408 | #2,176 | 14,005 | ZEUS 3.0+ 108 490WP PERFORMANCE leads by 2,232 places | ## Questions ### Which panel is better: AIKO AIKO-A490-MCE54Mw or Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE? According to our database: **AIKO AIKO-A490-MCE54Mw** has higher module efficiency (**24.50%** vs **24.00%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AIKO AIKO-A490-MCE54Mw and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE? **AIKO AIKO-A490-MCE54Mw** has a module efficiency of **24.50%**, while **Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE** is **24.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AIKO AIKO-A490-MCE54Mw use vs Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE? **AIKO AIKO-A490-MCE54Mw** uses **Back Contact** cells; **Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE** uses **Back Contact**. 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 AIKO AIKO-A490-MCE54Mw and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE? **AIKO AIKO-A490-MCE54Mw** has a **30 years** power warranty; **Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE** 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 AIKO AIKO-A490-MCE54Mw and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE bifacial panels? **Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE** is bifacial (captures light from both faces); **AIKO AIKO-A490-MCE54Mw** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath. ## Related comparisons - [AIKO AIKO-A490-MCE54Mw vs AIKO AIKO-A495-MCE54Mw](https://comparepv.com/compare/aiko-aiko-a490-mce54mw/aiko-aiko-a495-mce54mw) - One difference: module efficiency - [AIKO AIKO-A490-MCE54Mw vs AIKO AIKO-A485-MCE54Mw](https://comparepv.com/compare/aiko-aiko-a490-mce54mw/aiko-aiko-a485-mce54mw) - One difference: module efficiency - [AIKO AIKO-A490-MCE54Mw vs AIKO AIKO-A480-MCE54Mw](https://comparepv.com/compare/aiko-aiko-a490-mce54mw/aiko-aiko-a480-mce54mw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A490-MCE54Mw vs AIKO AIKO-A475-MCE54Mw](https://comparepv.com/compare/aiko-aiko-a490-mce54mw/aiko-aiko-a475-mce54mw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A490-MCE54Mw vs AIKO AIKO-A470-MCE54Mw](https://comparepv.com/compare/aiko-aiko-a490-mce54mw/aiko-aiko-a470-mce54mw) - 3 differences, the largest is module efficiency - [Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE vs Heckert Solar ZEUS 3.0+ 108 490WP](https://comparepv.com/compare/heckert-solar-zeus-3-0-108-490wp-performance/heckert-solar-zeus-3-0-108-490wp) - The same specification on paper --- Source: https://comparepv.com/compare/aiko-aiko-a490-mce54mw/heckert-solar-zeus-3-0-108-490wp-performance 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.