--- title: "AIKO AIKO-A-600-MAH72Mw vs AIKO AIKO-A-620-MAH72Mw - Solar Panel Comparison | ComparePV" description: "Compare AIKO AIKO-A-600-MAH72Mw vs AIKO AIKO-A-620-MAH72Mw side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-620-mah72mw" updated: 2026-09-11 --- # AIKO AIKO-A-600-MAH72Mw vs AIKO AIKO-A-620-MAH72Mw 620-MAH72Mw leads on the differences that matter The largest is module efficiency: 0.80 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [AIKO AIKO-A-600-MAH72Mw](https://comparepv.com/panel/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw) | [AIKO AIKO-A-620-MAH72Mw](https://comparepv.com/panel/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-620-mah72mw) | | Manufacturer | AIKO | AIKO | | Power | 600 Wp | 620 Wp | | Efficiency | 23.20 % | 24.00 % | | Technology | Back Contact | Back Contact | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 600-MAH72Mw | 620-MAH72Mw | Difference | | --- | --- | --- | --- | | Module efficiency | 23.20 % | 24.00 % | +0.80 pp for 620-MAH72Mw | | Power density | 232.3 Wp/m² | 240.0 Wp/m² | +7.7 Wp/m² for 620-MAH72Mw | | Rated power | 600 Wp | 620 Wp | +20 W for 620-MAH72Mw | ## Every compared parameter | Parameter | 600-MAH72Mw | 620-MAH72Mw | | --- | --- | --- | | Rated power | 600 Wp | 620 Wp | | Module efficiency | 23.20 % | 24.00 % | | Power density | 232.3 Wp/m² | 240.0 Wp/m² | | Open-circuit voltage | 53.28 V | 53.69 V | | Voltage at max power | 44.81 V | 45.21 V | | Short-circuit current | 13.92 A | 14.16 A | | Current at max power | 13.40 A | 13.72 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2278x1134x35 mm | 2278x1134x35 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 28.2 kg | 28.2 kg | | Weight per kWp | 47.0 kg/kWp | 45.5 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 | 144 | 144 | | 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 (-0.290 %/°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, 600-MAH72Mw:** 20,288 kWh - **Cumulative output, 620-MAH72Mw:** 20,964 kWh - **Gap:** 676 kWh ## Output when hot | Condition | Cell temperature | 600-MAH72Mw | 620-MAH72Mw | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 600 W | 620 W | 100.0% of rated power | | Cool, bright day | 40 °C | 574 W | 593 W | 95.7% of rated power | | Typical summer roof | 55 °C | 548 W | 566 W | 91.3% of rated power | | Hot roof | 70 °C | 522 W | 539 W | 87.0% of rated power | ## Against the whole database | Measure | 600-MAH72Mw | 620-MAH72Mw | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #1,306 | #303 | 14,005 | 620-MAH72Mw leads by 1,003 places | | Power density | #1,252 | #332 | 14,005 | 620-MAH72Mw leads by 920 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #1,450 | #749 | 14,005 | 620-MAH72Mw leads by 701 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #2,302 | #1,385 | 14,005 | 620-MAH72Mw leads by 917 places | ## Questions ### Which panel is better: AIKO AIKO-A-600-MAH72Mw or AIKO AIKO-A-620-MAH72Mw? According to our database: **AIKO AIKO-A-620-MAH72Mw** has higher module efficiency (**24.00%** vs **23.20%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AIKO AIKO-A-600-MAH72Mw and AIKO AIKO-A-620-MAH72Mw? **AIKO AIKO-A-600-MAH72Mw** has a module efficiency of **23.20%**, while **AIKO AIKO-A-620-MAH72Mw** is **24.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AIKO AIKO-A-600-MAH72Mw use vs AIKO AIKO-A-620-MAH72Mw? **AIKO AIKO-A-600-MAH72Mw** uses **Back Contact** cells; **AIKO AIKO-A-620-MAH72Mw** 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-A-600-MAH72Mw and AIKO AIKO-A-620-MAH72Mw? **AIKO AIKO-A-600-MAH72Mw** has a **30 years** power warranty; **AIKO AIKO-A-620-MAH72Mw** 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-A-600-MAH72Mw vs AIKO AIKO-A-615-MAH72Mw](https://comparepv.com/compare/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-615-mah72mw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A-600-MAH72Mw vs AIKO AIKO-A-610-MAH72Mw](https://comparepv.com/compare/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-610-mah72mw) - 3 differences, the largest is module efficiency - [AIKO AIKO-A-600-MAH72Mw vs AIKO AIKO-A-605-MAH72Mw](https://comparepv.com/compare/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-605-mah72mw) - One difference: module efficiency - [AIKO AIKO-A-600-MAH72Mw vs AIKO AIKO-A805-GRH78Dw](https://comparepv.com/compare/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw/aiko-aiko-a805-grh78dw) - 14 differences, the largest is module efficiency - [AIKO AIKO-A-600-MAH72Mw vs AIKO AIKO-A800-GRH78Dw](https://comparepv.com/compare/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw/aiko-aiko-a800-grh78dw) - 14 differences, the largest is module efficiency - [AIKO AIKO-A-600-MAH72Mw vs AIKO AIKO-A795-GRH78Dw](https://comparepv.com/compare/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw/aiko-aiko-a795-grh78dw) - 14 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-600-mah72mw/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a-620-mah72mw 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.