--- title: "DAH Solar DHN-66Y18/DG-700 vs DAH Solar DAS-DH132NC-715 - Solar Panel Comparison | ComparePV" description: "Compare DAH Solar DHN-66Y18/DG-700 vs DAH Solar DAS-DH132NC-715 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/dah-dhn-66y18-dg-700/dah-solar-das-dh132nc-715" image: "https://comparepv.com/og/compare/panels/dah-dhn-66y18-dg-700/dah-solar-das-dh132nc-715.png" updated: 2026-09-11 --- # DAH Solar DHN-66Y18/DG-700 vs DAH Solar DAS-DH132NC-715 DAS-DH132NC-715 leads on the differences that matter The largest is module efficiency: 0.47 pp more efficient. 12 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [DAH Solar DHN-66Y18/DG-700](https://comparepv.com/panel/dah-dhn-66y18-dg-700) | [DAH Solar DAS-DH132NC-715](https://comparepv.com/panel/dah-solar-das-dh132nc-715) | | Manufacturer | DAH Solar | DAH Solar | | Power | 700 Wp | 715 Wp | | Efficiency | 22.53 % | 23.00 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | DHN-66Y18/DG-700 | DAS-DH132NC-715 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.53 % | 23.00 % | +0.47 pp for DAS-DH132NC-715 | | Power density | 225.3 Wp/m² | 230.2 Wp/m² | +4.8 Wp/m² for DAS-DH132NC-715 | | Rated power | 700 Wp | 715 Wp | +15 W for DAS-DH132NC-715 | | Temperature coefficient | -0.290 %/°C | -0.280 %/°C | +0.010 %/°C for DAS-DH132NC-715 | | Weight | 36.7 kg | 38.3 kg | -1.6 kg for DHN-66Y18/DG-700 | | Open-circuit voltage | 47.60 V | 49.08 V | 1.48 V apart | ## Every compared parameter | Parameter | DHN-66Y18/DG-700 | DAS-DH132NC-715 | | --- | --- | --- | | Rated power | 700 Wp | 715 Wp | | Module efficiency | 22.53 % | 23.00 % | | Power density | 225.3 Wp/m² | 230.2 Wp/m² | | Open-circuit voltage | 47.60 V | 49.08 V | | Voltage at max power | 40.00 V | 40.98 V | | Short-circuit current | 18.49 A | 18.47 A | | Current at max power | 17.50 A | 17.45 A | | Temperature coefficient | -0.290 %/°C | -0.280 %/°C | | Dimensions | 2384x1303x33 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 36.7 kg | 38.3 kg | | Weight per kWp | 52.4 kg/kWp | 53.6 kg/kWp | | Product warranty | 15 yrs | 15 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 | 132 | - | | Bifacial | Yes | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year - **Cumulative output, DHN-66Y18/DG-700:** 23,486 kWh - **Cumulative output, DAS-DH132NC-715:** 23,990 kWh - **Gap:** 504 kWh ## Output when hot | Condition | Cell temperature | DHN-66Y18/DG-700 | DAS-DH132NC-715 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 700 W | 715 W | 100.0% of rated power | | Cool, bright day | 40 °C | 670 W | 685 W | 95.7% of rated power | | Typical summer roof | 55 °C | 639 W | 655 W | 91.3% of rated power | | Hot roof | 70 °C | 609 W | 625 W | 87.0% of rated power | ## Against the whole database | Measure | DHN-66Y18/DG-700 | DAS-DH132NC-715 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,041 | #1,970 | 14,129 | DAS-DH132NC-715 leads by 2,071 places | | Power density | #4,048 | #2,070 | 14,129 | DAS-DH132NC-715 leads by 1,978 places | | Heat behaviour | #2,220 | #1,347 | 14,129 | DAS-DH132NC-715 leads by 873 places | | Weight | #5,980 | #7,635 | 14,129 | DHN-66Y18/DG-700 leads by 1,655 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #925 | #457 | 14,129 | DAS-DH132NC-715 leads by 468 places | ## Questions ### Which panel is better: DAH Solar DHN-66Y18/DG-700 or DAH Solar DAS-DH132NC-715? According to our database: **DAH Solar DAS-DH132NC-715** has higher module efficiency (**23.00%** vs **22.53%**); **DAH Solar DAS-DH132NC-715** tolerates heat better (temp coeff **-0.280%/°C** vs **-0.290%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of DAH Solar DHN-66Y18/DG-700 and DAH Solar DAS-DH132NC-715? **DAH Solar DHN-66Y18/DG-700** has a module efficiency of **22.53%**, while **DAH Solar DAS-DH132NC-715** is **23.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does DAH Solar DHN-66Y18/DG-700 use vs DAH Solar DAS-DH132NC-715? **DAH Solar DHN-66Y18/DG-700** uses **TOPCon** cells; **DAH Solar DAS-DH132NC-715** 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 DAH Solar DHN-66Y18/DG-700 and DAH Solar DAS-DH132NC-715? **DAH Solar DHN-66Y18/DG-700** has a **30 years** power warranty; **DAH Solar DAS-DH132NC-715** 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 DAH Solar DHN-66Y18/DG-700 and DAH Solar DAS-DH132NC-715 bifacial panels? Both **DAH Solar DHN-66Y18/DG-700** and **DAH Solar DAS-DH132NC-715** 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 - [DAH Solar DHN-66Y18/DG-700 vs DAH Solar DHN-66Y18/DG-725](https://comparepv.com/compare/dah-dhn-66y18-dg-700/dah-dhn-66y18-dg-725) - 5 differences, the largest is module efficiency - [DAH Solar DHN-66Y18/DG-700 vs DAH Solar DHN-66Y18/DG-720](https://comparepv.com/compare/dah-dhn-66y18-dg-700/dah-dhn-66y18-dg-720) - 3 differences, the largest is module efficiency - [DAH Solar DHN-66Y18/DG-700 vs DAH Solar DHN-66Y18/DG-715](https://comparepv.com/compare/dah-dhn-66y18-dg-700/dah-dhn-66y18-dg-715) - 3 differences, the largest is module efficiency - [DAH Solar DHN-66Y18/DG-700 vs DAH Solar DHN-66Y18/DG-710](https://comparepv.com/compare/dah-dhn-66y18-dg-700/dah-dhn-66y18-dg-710) - 3 differences, the largest is module efficiency - [DAH Solar DHN-66Y18/DG-700 vs DAH Solar DHN-66Y18/DG-705](https://comparepv.com/compare/dah-dhn-66y18-dg-700/dah-dhn-66y18-dg-705) - The same specification on paper - [DAH Solar DAS-DH132NC-715 vs DAH Solar DAS-DH132NC-710](https://comparepv.com/compare/dah-solar-das-dh132nc-715/dah-solar-das-dh132nc-710) - The same specification on paper --- Source: https://comparepv.com/compare/dah-dhn-66y18-dg-700/dah-solar-das-dh132nc-715 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.