--- title: "AIKO AIKO-A700-MAE78Dw vs Jetion JT755SLk(B) - Solar Panel Comparison | ComparePV" description: "Compare AIKO AIKO-A700-MAE78Dw vs Jetion JT755SLk(B) 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-a700-mae78dw/jetion-jt755slk-b" updated: 2026-09-11 --- # AIKO AIKO-A700-MAE78Dw vs Jetion JT755SLk(B) 15 differences, and they point both ways The largest is module efficiency: 0.70 pp more efficient. 4 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | [Jetion JT755SLk(B)](https://comparepv.com/panel/jetion-jt755slk-b) | | Manufacturer | AIKO | Jetion | | Power | 700 Wp | 755 Wp | | Efficiency | 25.00 % | 24.30 % | | Technology | Back Contact | HJT | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | AIKO-A700-MAE78Dw | JT755SLk(B) | Difference | | --- | --- | --- | --- | | Module efficiency | 25.00 % | 24.30 % | +0.70 pp for AIKO-A700-MAE78Dw | | Rated power | 700 Wp | 755 Wp | +55 W for JT755SLk(B) | | Temperature coefficient | -0.260 %/°C | -0.240 %/°C | +0.020 %/°C for JT755SLk(B) | | Power density | 250.4 Wp/m² | 243.1 Wp/m² | +7.4 Wp/m² for AIKO-A700-MAE78Dw | | Open-circuit voltage | 59.28 V | 50.75 V | 8.53 V apart | | Short-circuit current | 14.84 A | 18.80 A | 3.96 A apart | | Module area | 2.795 m² | 3.106 m² | 0.311 m² apart | | Weight | 34.5 kg | 36.4 kg | -1.9 kg for AIKO-A700-MAE78Dw | | Cell technology | Back Contact | HJT | Back Contact vs HJT | | Voltage at max power | 49.15 V | 42.76 V | 6.39 V apart | | Current at max power | 14.25 A | 17.66 A | 3.41 A apart | | Cell count | 156 | 132 | 24 cells apart | | Annual degradation | 0.35 %/yr | 0.30 %/yr | -0.05 %/yr for JT755SLk(B) | | Bifacial | No | Yes | No vs Yes | | Dimensions | 2465x1134x30 mm | 2384x1303x33 mm | 2465x1134x30 mm vs 2384x1303x33 mm | ## Every compared parameter | Parameter | AIKO-A700-MAE78Dw | JT755SLk(B) | | --- | --- | --- | | Rated power | 700 Wp | 755 Wp | | Module efficiency | 25.00 % | 24.30 % | | Power density | 250.4 Wp/m² | 243.1 Wp/m² | | Open-circuit voltage | 59.28 V | 50.75 V | | Voltage at max power | 49.15 V | 42.76 V | | Short-circuit current | 14.84 A | 18.80 A | | Current at max power | 14.25 A | 17.66 A | | Temperature coefficient | -0.260 %/°C | -0.240 %/°C | | Dimensions | 2465x1134x30 mm | 2384x1303x33 mm | | Module area | 2.795 m² | 3.106 m² | | Weight | 34.5 kg | 36.4 kg | | Weight per kWp | 49.3 kg/kWp | 48.2 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.35 %/yr | 0.30 %/yr | | Cell technology | Back Contact | HJT | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 156 | 132 | | Bifacial | No | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year - **Cumulative output, AIKO-A700-MAE78Dw:** 23,669 kWh - **Cumulative output, JT755SLk(B):** 25,726 kWh - **Gap:** 2,057 kWh ## Output when hot | Condition | Cell temperature | AIKO-A700-MAE78Dw | JT755SLk(B) | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 700 W | 755 W | 100.0% of rated power | | Cool, bright day | 40 °C | 673 W | 728 W | 96.1% of rated power | | Typical summer roof | 55 °C | 645 W | 701 W | 92.2% of rated power | | Hot roof | 70 °C | 618 W | 673 W | 88.3% of rated power | ## Against the whole database | Measure | AIKO-A700-MAE78Dw | JT755SLk(B) | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4 | #131 | 14,005 | AIKO-A700-MAE78Dw leads by 127 places | | Power density | #4 | #136 | 14,005 | AIKO-A700-MAE78Dw leads by 132 places | | Heat behaviour | #511 | #13 | 14,005 | JT755SLk(B) leads by 498 places | | Weight | #2,850 | #2,105 | 14,005 | JT755SLk(B) leads by 745 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #126 | #50 | 14,005 | JT755SLk(B) leads by 76 places | ## Questions ### Which panel is better: AIKO AIKO-A700-MAE78Dw or Jetion JT755SLk(B)? According to our database: **AIKO AIKO-A700-MAE78Dw** has higher module efficiency (**25.00%** vs **24.30%**); **Jetion JT755SLk(B)** tolerates heat better (temp coeff **-0.240%/°C** vs **-0.260%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AIKO AIKO-A700-MAE78Dw and Jetion JT755SLk(B)? **AIKO AIKO-A700-MAE78Dw** has a module efficiency of **25.00%**, while **Jetion JT755SLk(B)** is **24.30%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AIKO AIKO-A700-MAE78Dw use vs Jetion JT755SLk(B)? **AIKO AIKO-A700-MAE78Dw** uses **Back Contact** cells; **Jetion JT755SLk(B)** uses **HJT**. 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-A700-MAE78Dw and Jetion JT755SLk(B)? **AIKO AIKO-A700-MAE78Dw** has a **30 years** power warranty; **Jetion JT755SLk(B)** 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-A700-MAE78Dw and Jetion JT755SLk(B) bifacial panels? **Jetion JT755SLk(B)** is bifacial (captures light from both faces); **AIKO AIKO-A700-MAE78Dw** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath. ## Related comparisons - [AIKO AIKO-A700-MAE78Dw vs AIKO AIKO-A695-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a700-mae78dw/aiko-aiko-a695-mae78dw) - The same specification on paper - [AIKO AIKO-A700-MAE78Dw vs AIKO AIKO-A690-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a700-mae78dw/aiko-aiko-a690-mae78dw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A700-MAE78Dw vs AIKO AIKO-A685-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a700-mae78dw/aiko-aiko-a685-mae78dw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A700-MAE78Dw vs AIKO AIKO-A680-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a700-mae78dw/aiko-aiko-a680-mae78dw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A700-MAE78Dw vs AIKO AIKO-A675-MAE78Dw](https://comparepv.com/compare/aiko-aiko-a700-mae78dw/aiko-aiko-a675-mae78dw) - 3 differences, the largest is module efficiency - [Jetion JT755SLk(B) vs Jetion JT750SLk(B)](https://comparepv.com/compare/jetion-jt755slk-b/jetion-jt750slk-b) - One difference: module efficiency --- Source: https://comparepv.com/compare/aiko-aiko-a700-mae78dw/jetion-jt755slk-b 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.