--- title: "AIKO AIKO-A690-MAE78Dw vs AIKO AIKO-A695-MAE78Dw - Solar Panel Comparison | ComparePV" description: "Compare AIKO AIKO-A690-MAE78Dw vs AIKO AIKO-A695-MAE78Dw 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-a690-mae78dw/aiko-aiko-a695-mae78dw" updated: 2026-09-11 --- # AIKO AIKO-A690-MAE78Dw vs AIKO AIKO-A695-MAE78Dw A695-MAE78Dw 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-A690-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a690-mae78dw) | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | | Manufacturer | AIKO | AIKO | | Power | 690 Wp | 695 Wp | | Efficiency | 24.70 % | 24.90 % | | Technology | Back Contact | Back Contact | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | A690-MAE78Dw | A695-MAE78Dw | Difference | | --- | --- | --- | --- | | Module efficiency | 24.70 % | 24.90 % | +0.20 pp for A695-MAE78Dw | ## Every compared parameter | Parameter | A690-MAE78Dw | A695-MAE78Dw | | --- | --- | --- | | Rated power | 690 Wp | 695 Wp | | Module efficiency | 24.70 % | 24.90 % | | Power density | 246.8 Wp/m² | 248.6 Wp/m² | | Open-circuit voltage | 59.16 V | 59.22 V | | Voltage at max power | 49.03 V | 49.09 V | | Short-circuit current | 14.70 A | 14.77 A | | Current at max power | 14.08 A | 14.16 A | | Temperature coefficient | -0.260 %/°C | -0.260 %/°C | | Dimensions | 2465x1134x30 mm | 2465x1134x30 mm | | Module area | 2.795 m² | 2.795 m² | | Weight | 34.5 kg | 34.5 kg | | Weight per kWp | 50.0 kg/kWp | 49.6 kg/kWp | | Product warranty | 15 yrs | 15 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 | 156 | 156 | | 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, A690-MAE78Dw:** 23,331 kWh - **Cumulative output, A695-MAE78Dw:** 23,500 kWh - **Gap:** 169 kWh ## Output when hot | Condition | Cell temperature | A690-MAE78Dw | A695-MAE78Dw | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 690 W | 695 W | 100.0% of rated power | | Cool, bright day | 40 °C | 663 W | 668 W | 96.1% of rated power | | Typical summer roof | 55 °C | 636 W | 641 W | 92.2% of rated power | | Hot roof | 70 °C | 609 W | 614 W | 88.3% of rated power | ## Against the whole database | Measure | A690-MAE78Dw | A695-MAE78Dw | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #39 | #10 | 14,005 | A695-MAE78Dw leads by 29 places | | Power density | #41 | #11 | 14,005 | A695-MAE78Dw leads by 30 places | | Heat behaviour | #511 | #511 | 14,005 | Tied - the same position in the database | | Weight | #3,575 | #3,186 | 14,005 | A695-MAE78Dw leads by 389 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #210 | #159 | 14,005 | A695-MAE78Dw leads by 51 places | ## Questions ### Which panel is better: AIKO AIKO-A690-MAE78Dw or AIKO AIKO-A695-MAE78Dw? According to our database: **AIKO AIKO-A695-MAE78Dw** has higher module efficiency (**24.90%** vs **24.70%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AIKO AIKO-A690-MAE78Dw and AIKO AIKO-A695-MAE78Dw? **AIKO AIKO-A690-MAE78Dw** has a module efficiency of **24.70%**, while **AIKO AIKO-A695-MAE78Dw** is **24.90%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AIKO AIKO-A690-MAE78Dw use vs AIKO AIKO-A695-MAE78Dw? **AIKO AIKO-A690-MAE78Dw** uses **Back Contact** cells; **AIKO AIKO-A695-MAE78Dw** 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-A690-MAE78Dw and AIKO AIKO-A695-MAE78Dw? **AIKO AIKO-A690-MAE78Dw** has a **30 years** power warranty; **AIKO AIKO-A695-MAE78Dw** 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-A690-MAE78Dw vs AIKO AIKO-A700-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a690-mae78dw/aiko-aiko-a700-mae78dw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A690-MAE78Dw vs AIKO AIKO-A685-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a690-mae78dw/aiko-aiko-a685-mae78dw) - One difference: module efficiency - [AIKO AIKO-A690-MAE78Dw vs AIKO AIKO-A680-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a690-mae78dw/aiko-aiko-a680-mae78dw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A690-MAE78Dw vs AIKO AIKO-A675-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a690-mae78dw/aiko-aiko-a675-mae78dw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A690-MAE78Dw vs AIKO AIKO-A805-GRH78Dw](https://comparepv.com/compare/aiko-aiko-a690-mae78dw/aiko-aiko-a805-grh78dw) - 9 differences, the largest is rated power - [AIKO AIKO-A690-MAE78Dw vs AIKO AIKO-A800-GRH78Dw](https://comparepv.com/compare/aiko-aiko-a690-mae78dw/aiko-aiko-a800-grh78dw) - 8 differences, the largest is rated power --- Source: https://comparepv.com/compare/aiko-aiko-a690-mae78dw/aiko-aiko-a695-mae78dw 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.