--- title: "AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A480-MCE54Db - Solar Panel Comparison | ComparePV" description: "Compare AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A480-MCE54Db 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-a475-mce54db/aiko-aiko-a480-mce54db" updated: 2026-09-11 --- # AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A480-MCE54Db A480-MCE54Db 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 | [AIKO AIKO-A475-MCE54Db](https://comparepv.com/panel/aiko-aiko-a475-mce54db) | [AIKO AIKO-A480-MCE54Db](https://comparepv.com/panel/aiko-aiko-a480-mce54db) | | Manufacturer | AIKO | AIKO | | Power | 475 Wp | 480 Wp | | Efficiency | 23.80 % | 24.00 % | | Technology | Back Contact | Back Contact | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | A475-MCE54Db | A480-MCE54Db | Difference | | --- | --- | --- | --- | | Module efficiency | 23.80 % | 24.00 % | +0.20 pp for A480-MCE54Db | ## Every compared parameter | Parameter | A475-MCE54Db | A480-MCE54Db | | --- | --- | --- | | Rated power | 475 Wp | 480 Wp | | Module efficiency | 23.80 % | 24.00 % | | Power density | 237.7 Wp/m² | 240.2 Wp/m² | | Open-circuit voltage | 40.70 V | 40.80 V | | Voltage at max power | 34.10 V | 34.20 V | | Short-circuit current | 14.76 A | 14.82 A | | Current at max power | 13.94 A | 14.04 A | | Temperature coefficient | -0.260 %/°C | -0.260 %/°C | | Dimensions | 1762x1134x30 mm | 1762x1134x30 mm | | Module area | 1.998 m² | 1.998 m² | | Weight | 24.5 kg | 24.5 kg | | Weight per kWp | 51.6 kg/kWp | 51.0 kg/kWp | | Product warranty | 25 yrs | 25 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.35 %/yr | 0.35 %/yr | | Cell technology | Back Contact | Back Contact | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 108 | | Bifacial | No | No | ## 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, A475-MCE54Db:** 16,061 kWh - **Cumulative output, A480-MCE54Db:** 16,230 kWh - **Gap:** 169 kWh ## Output when hot | Condition | Cell temperature | A475-MCE54Db | A480-MCE54Db | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 475 W | 480 W | 100.0% of rated power | | Cool, bright day | 40 °C | 456 W | 461 W | 96.1% of rated power | | Typical summer roof | 55 °C | 438 W | 443 W | 92.2% of rated power | | Hot roof | 70 °C | 419 W | 424 W | 88.3% of rated power | ## Against the whole database | Measure | A475-MCE54Db | A480-MCE54Db | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #433 | #303 | 14,005 | A480-MCE54Db leads by 130 places | | Power density | #467 | #294 | 14,005 | A480-MCE54Db leads by 173 places | | Heat behaviour | #511 | #511 | 14,005 | Tied - the same position in the database | | Weight | #4,954 | #4,385 | 14,005 | A480-MCE54Db leads by 569 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #3,891 | #3,479 | 14,005 | A480-MCE54Db leads by 412 places | ## Questions ### Which panel is better: AIKO AIKO-A475-MCE54Db or AIKO AIKO-A480-MCE54Db? According to our database: **AIKO AIKO-A480-MCE54Db** has higher module efficiency (**24.00%** vs **23.80%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AIKO AIKO-A475-MCE54Db and AIKO AIKO-A480-MCE54Db? **AIKO AIKO-A475-MCE54Db** has a module efficiency of **23.80%**, while **AIKO AIKO-A480-MCE54Db** is **24.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AIKO AIKO-A475-MCE54Db use vs AIKO AIKO-A480-MCE54Db? **AIKO AIKO-A475-MCE54Db** uses **Back Contact** cells; **AIKO AIKO-A480-MCE54Db** 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-A475-MCE54Db and AIKO AIKO-A480-MCE54Db? **AIKO AIKO-A475-MCE54Db** has a **30 years** power warranty; **AIKO AIKO-A480-MCE54Db** 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. ## Related comparisons - [AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A485-MCE54Db](https://comparepv.com/compare/aiko-aiko-a475-mce54db/aiko-aiko-a485-mce54db) - 3 differences, the largest is module efficiency - [AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A470-MCE54Db](https://comparepv.com/compare/aiko-aiko-a475-mce54db/aiko-aiko-a470-mce54db) - One difference: module efficiency - [AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A465-MCE54Db](https://comparepv.com/compare/aiko-aiko-a475-mce54db/aiko-aiko-a465-mce54db) - 3 differences, the largest is module efficiency - [AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A460-MCE54Db](https://comparepv.com/compare/aiko-aiko-a475-mce54db/aiko-aiko-a460-mce54db) - 3 differences, the largest is module efficiency - [AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A805-GRH78Dw](https://comparepv.com/compare/aiko-aiko-a475-mce54db/aiko-aiko-a805-grh78dw) - 14 differences, the largest is module efficiency - [AIKO AIKO-A475-MCE54Db vs AIKO AIKO-A800-GRH78Dw](https://comparepv.com/compare/aiko-aiko-a475-mce54db/aiko-aiko-a800-grh78dw) - 13 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/aiko-aiko-a475-mce54db/aiko-aiko-a480-mce54db 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.