--- title: "AIKO AIKO-A450-MAH54Mw vs AIKO AIKO-A470-MAH54Mw - Solar Panel Comparison | ComparePV" description: "Compare AIKO AIKO-A450-MAH54Mw vs AIKO AIKO-A470-MAH54Mw 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-a450-mah54mw/aiko-aiko-a470-mah54mw" updated: 2026-09-11 --- # AIKO AIKO-A450-MAH54Mw vs AIKO AIKO-A470-MAH54Mw A470-MAH54Mw leads on the differences that matter The largest is module efficiency: 1.00 pp more efficient. 15 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [AIKO AIKO-A450-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a450-mah54mw) | [AIKO AIKO-A470-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a470-mah54mw) | | Manufacturer | AIKO | AIKO | | Power | 450 Wp | 470 Wp | | Efficiency | 22.60 % | 23.60 % | | Technology | Back Contact | Back Contact | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | A450-MAH54Mw | A470-MAH54Mw | Difference | | --- | --- | --- | --- | | Module efficiency | 22.60 % | 23.60 % | +1.00 pp for A470-MAH54Mw | | Power density | 225.9 Wp/m² | 235.9 Wp/m² | +10.0 Wp/m² for A470-MAH54Mw | | Rated power | 450 Wp | 470 Wp | +20 W for A470-MAH54Mw | | Weight per kWp | 47.8 kg/kWp | 45.7 kg/kWp | -2.0 kg/kWp for A470-MAH54Mw | ## Every compared parameter | Parameter | A450-MAH54Mw | A470-MAH54Mw | | --- | --- | --- | | Rated power | 450 Wp | 470 Wp | | Module efficiency | 22.60 % | 23.60 % | | Power density | 225.9 Wp/m² | 235.9 Wp/m² | | Open-circuit voltage | 40.94 V | 41.18 V | | Voltage at max power | 34.50 V | 34.74 V | | Short-circuit current | 14.12 A | 14.32 A | | Current at max power | 13.05 A | 13.54 A | | Temperature coefficient | -0.260 %/°C | -0.260 %/°C | | Dimensions | 1757x1134x30 mm | 1757x1134x30 mm | | Module area | 1.992 m² | 1.992 m² | | Weight | 21.5 kg | 21.5 kg | | Weight per kWp | 47.8 kg/kWp | 45.7 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, A450-MAH54Mw:** 15,216 kWh - **Cumulative output, A470-MAH54Mw:** 15,892 kWh - **Gap:** 676 kWh ## Output when hot | Condition | Cell temperature | A450-MAH54Mw | A470-MAH54Mw | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 450 W | 470 W | 100.0% of rated power | | Cool, bright day | 40 °C | 432 W | 452 W | 96.1% of rated power | | Typical summer roof | 55 °C | 415 W | 433 W | 92.2% of rated power | | Hot roof | 70 °C | 397 W | 415 W | 88.3% of rated power | ## Against the whole database | Measure | A450-MAH54Mw | A470-MAH54Mw | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #3,658 | #627 | 14,005 | A470-MAH54Mw leads by 3,031 places | | Power density | #3,723 | #657 | 14,005 | A470-MAH54Mw leads by 3,066 places | | Heat behaviour | #511 | #511 | 14,005 | Tied - the same position in the database | | Weight | #1,891 | #860 | 14,005 | A470-MAH54Mw leads by 1,031 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #5,945 | #4,119 | 14,005 | A470-MAH54Mw leads by 1,826 places | ## Questions ### Which panel is better: AIKO AIKO-A450-MAH54Mw or AIKO AIKO-A470-MAH54Mw? According to our database: **AIKO AIKO-A470-MAH54Mw** has higher module efficiency (**23.60%** vs **22.60%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AIKO AIKO-A450-MAH54Mw and AIKO AIKO-A470-MAH54Mw? **AIKO AIKO-A450-MAH54Mw** has a module efficiency of **22.60%**, while **AIKO AIKO-A470-MAH54Mw** is **23.60%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AIKO AIKO-A450-MAH54Mw use vs AIKO AIKO-A470-MAH54Mw? **AIKO AIKO-A450-MAH54Mw** uses **Back Contact** cells; **AIKO AIKO-A470-MAH54Mw** 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-A450-MAH54Mw and AIKO AIKO-A470-MAH54Mw? **AIKO AIKO-A450-MAH54Mw** has a **30 years** power warranty; **AIKO AIKO-A470-MAH54Mw** 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-A450-MAH54Mw vs AIKO AIKO-A485-MAH54Mw](https://comparepv.com/compare/aiko-aiko-a450-mah54mw/aiko-aiko-a485-mah54mw) - 5 differences, the largest is module efficiency - [AIKO AIKO-A450-MAH54Mw vs AIKO AIKO-A480-MAH54Mw](https://comparepv.com/compare/aiko-aiko-a450-mah54mw/aiko-aiko-a480-mah54mw) - 5 differences, the largest is module efficiency - [AIKO AIKO-A450-MAH54Mw vs AIKO AIKO-A475-MAH54Mw](https://comparepv.com/compare/aiko-aiko-a450-mah54mw/aiko-aiko-a475-mah54mw) - 5 differences, the largest is module efficiency - [AIKO AIKO-A450-MAH54Mw vs AIKO AIKO-A465-MAH54Mw](https://comparepv.com/compare/aiko-aiko-a450-mah54mw/aiko-aiko-a465-mah54mw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A450-MAH54Mw vs AIKO AIKO-A460-MAH54Mw](https://comparepv.com/compare/aiko-aiko-a450-mah54mw/aiko-aiko-a460-mah54mw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A450-MAH54Mw vs AIKO AIKO-A455-MAH54Mw](https://comparepv.com/compare/aiko-aiko-a450-mah54mw/aiko-aiko-a455-mah54mw) - One difference: module efficiency --- Source: https://comparepv.com/compare/aiko-aiko-a450-mah54mw/aiko-aiko-a470-mah54mw 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.