--- title: "AE Solar AE CMD-108BDS 440W vs AE Solar AE CMD-144BDS-590 - Solar Panel Comparison | ComparePV" description: "Compare AE Solar AE CMD-108BDS 440W vs AE Solar AE CMD-144BDS-590 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/ae-solar-ae-cmd-108bds-440w/ae-solar-ae-cmd-144bds-590" updated: 2026-09-11 --- # AE Solar AE CMD-108BDS 440W vs AE Solar AE CMD-144BDS-590 144BDS-590 leads on the differences that matter The largest is rated power: 150 W more power. 11 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [AE Solar AE CMD-108BDS 440W](https://comparepv.com/panel/ae-solar-ae-cmd-108bds-440w) | [AE Solar AE CMD-144BDS-590](https://comparepv.com/panel/ae-solar-ae-cmd-144bds-590) | | Manufacturer | AE Solar | AE Solar | | Power | 440 Wp | 590 Wp | | Efficiency | 22.57 % | 22.86 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 108BDS 440W | 144BDS-590 | Difference | | --- | --- | --- | --- | | Rated power | 440 Wp | 590 Wp | +150 W for 144BDS-590 | | Weight | 23.5 kg | 31.0 kg | -7.5 kg for 108BDS 440W | | Open-circuit voltage | 38.66 V | 52.24 V | 13.58 V apart | | Module area | 1.950 m² | 2.581 m² | 0.631 m² apart | | Module efficiency | 22.57 % | 22.86 % | +0.29 pp for 144BDS-590 | | Voltage at max power | 32.84 V | 43.29 V | 10.45 V apart | | Cell count | 108 | 144 | 36 cells apart | | Dimensions | 1721x1133x30 mm | 2278x1133x30 mm | 1721x1133x30 mm vs 2278x1133x30 mm | ## Every compared parameter | Parameter | 108BDS 440W | 144BDS-590 | | --- | --- | --- | | Rated power | 440 Wp | 590 Wp | | Module efficiency | 22.57 % | 22.86 % | | Power density | 225.7 Wp/m² | 228.6 Wp/m² | | Open-circuit voltage | 38.66 V | 52.24 V | | Voltage at max power | 32.84 V | 43.29 V | | Short-circuit current | 14.30 A | 14.54 A | | Current at max power | 13.40 A | 13.63 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 1721x1133x30 mm | 2278x1133x30 mm | | Module area | 1.950 m² | 2.581 m² | | Weight | 23.5 kg | 31.0 kg | | Weight per kWp | 53.4 kg/kWp | 52.5 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 144 | | Bifacial | Yes | Yes | ## 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, 108BDS 440W:** 14,763 kWh - **Cumulative output, 144BDS-590:** 19,796 kWh - **Gap:** 5,033 kWh ## Output when hot | Condition | Cell temperature | 108BDS 440W | 144BDS-590 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 440 W | 590 W | 100.0% of rated power | | Cool, bright day | 40 °C | 421 W | 564 W | 95.7% of rated power | | Typical summer roof | 55 °C | 402 W | 539 W | 91.3% of rated power | | Hot roof | 70 °C | 383 W | 513 W | 87.0% of rated power | ## Against the whole database | Measure | 108BDS 440W | 144BDS-590 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #3,882 | #2,536 | 14,005 | 144BDS-590 leads by 1,346 places | | Power density | #3,848 | #2,463 | 14,005 | 144BDS-590 leads by 1,385 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #7,325 | #6,152 | 14,005 | 144BDS-590 leads by 1,173 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #5,405 | #1,099 | 14,005 | 144BDS-590 leads by 4,306 places | ## Questions ### Which panel is better: AE Solar AE CMD-108BDS 440W or AE Solar AE CMD-144BDS-590? According to our database: **AE Solar AE CMD-144BDS-590** has higher module efficiency (**22.86%** vs **22.57%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AE Solar AE CMD-108BDS 440W and AE Solar AE CMD-144BDS-590? **AE Solar AE CMD-108BDS **440 W**** has a module efficiency of **22.57%**, while **AE Solar AE CMD-144BDS-590** is **22.86%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AE Solar AE CMD-108BDS 440W use vs AE Solar AE CMD-144BDS-590? **AE Solar AE CMD-108BDS **440 W**** uses **TOPCon** cells; **AE Solar AE CMD-144BDS-590** uses **TOPCon**. 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 AE Solar AE CMD-108BDS 440W and AE Solar AE CMD-144BDS-590? **AE Solar AE CMD-108BDS **440 W**** has a **30 years** power warranty; **AE Solar AE CMD-144BDS-590** 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 AE Solar AE CMD-108BDS 440W and AE Solar AE CMD-144BDS-590 bifacial panels? Both **AE Solar AE CMD-108BDS **440 W**** and **AE Solar AE CMD-144BDS-590** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [AE Solar AE CMD-108BDS 440W vs AE Solar CMD-108BDS-440](https://comparepv.com/compare/ae-solar-ae-cmd-108bds-440w/ae-solar-cmd-108bds-440) - One difference: product warranty - [AE Solar AE CMD-108BDS 440W vs AE Solar CMD-108BDS-435](https://comparepv.com/compare/ae-solar-ae-cmd-108bds-440w/ae-solar-cmd-108bds-435) - 2 differences, the largest is product warranty - [AE Solar AE CMD-108BDS 440W vs AE Solar AE CMD-108BDS 435W](https://comparepv.com/compare/ae-solar-ae-cmd-108bds-440w/ae-solar-ae-cmd-108bds-435w) - One difference: module efficiency - [AE Solar AE CMD-108BDS 440W vs AE Solar CMD-108BDS-430](https://comparepv.com/compare/ae-solar-ae-cmd-108bds-440w/ae-solar-cmd-108bds-430) - 4 differences, the largest is module efficiency - [AE Solar AE CMD-108BDS 440W vs AE Solar AE CMD-108BDS 430W](https://comparepv.com/compare/ae-solar-ae-cmd-108bds-440w/ae-solar-ae-cmd-108bds-430w) - 3 differences, the largest is module efficiency - [AE Solar AE CMD-108BDS 440W vs AE Solar CMD-108BDS-425](https://comparepv.com/compare/ae-solar-ae-cmd-108bds-440w/ae-solar-cmd-108bds-425) - 4 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/ae-solar-ae-cmd-108bds-440w/ae-solar-ae-cmd-144bds-590 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.