--- title: "DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-455 - Solar Panel Comparison | ComparePV" description: "Compare DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-455 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/das-solar-das-dh108nd-450/das-solar-das-dh108nd-455" updated: 2026-09-11 --- # DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-455 455 leads on the differences that matter The largest is module efficiency: 0.30 pp more efficient. 18 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [DAS Solar DAS-DH108ND-450](https://comparepv.com/panel/das-solar-das-dh108nd-450) | [DAS Solar DAS-DH108ND-455](https://comparepv.com/panel/das-solar-das-dh108nd-455) | | Manufacturer | DAS Solar | DAS Solar | | Power | 450 Wp | 455 Wp | | Efficiency | 22.00 % | 22.30 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 450 | 455 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.00 % | 22.30 % | +0.30 pp for 455 | ## Every compared parameter | Parameter | 450 | 455 | | --- | --- | --- | | Rated power | 450 Wp | 455 Wp | | Module efficiency | 22.00 % | 22.30 % | | Power density | 220.5 Wp/m² | 222.9 Wp/m² | | Open-circuit voltage | 39.18 V | 39.36 V | | Voltage at max power | 32.47 V | 32.65 V | | Short-circuit current | 14.68 A | 14.73 A | | Current at max power | 13.86 A | 13.94 A | | Temperature coefficient | -0.280 %/°C | -0.280 %/°C | | Dimensions | 1800x1134x30 mm | 1800x1134x30 mm | | Module area | 2.041 m² | 2.041 m² | | Weight | 21.7 kg | 21.7 kg | | Weight per kWp | 48.2 kg/kWp | 47.7 kg/kWp | | Product warranty | 25 yrs | 25 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 | 108 | | 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 (-0.280 %/°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, 450:** 15,098 kWh - **Cumulative output, 455:** 15,266 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 450 | 455 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 450 W | 455 W | 100.0% of rated power | | Cool, bright day | 40 °C | 431 W | 436 W | 95.8% of rated power | | Typical summer roof | 55 °C | 412 W | 417 W | 91.6% of rated power | | Hot roof | 70 °C | 393 W | 398 W | 87.4% of rated power | ## Against the whole database | Measure | 450 | 455 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #6,517 | #5,100 | 14,005 | 455 leads by 1,417 places | | Power density | #6,236 | #5,100 | 14,005 | 455 leads by 1,136 places | | Heat behaviour | #1,309 | #1,309 | 14,005 | Tied - the same position in the database | | Weight | #2,116 | #1,811 | 14,005 | 455 leads by 305 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #6,746 | #6,145 | 14,005 | 455 leads by 601 places | ## Questions ### Which panel is better: DAS Solar DAS-DH108ND-450 or DAS Solar DAS-DH108ND-455? According to our database: **DAS Solar DAS-DH108ND-455** has higher module efficiency (**22.30%** vs **22.00%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of DAS Solar DAS-DH108ND-450 and DAS Solar DAS-DH108ND-455? **DAS Solar DAS-DH108ND-450** has a module efficiency of **22.00%**, while **DAS Solar DAS-DH108ND-455** is **22.30%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does DAS Solar DAS-DH108ND-450 use vs DAS Solar DAS-DH108ND-455? **DAS Solar DAS-DH108ND-450** uses **TOPCon** cells; **DAS Solar DAS-DH108ND-455** 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 DAS Solar DAS-DH108ND-450 and DAS Solar DAS-DH108ND-455? **DAS Solar DAS-DH108ND-450** has a **30 years** power warranty; **DAS Solar DAS-DH108ND-455** 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 DAS Solar DAS-DH108ND-450 and DAS Solar DAS-DH108ND-455 bifacial panels? Both **DAS Solar DAS-DH108ND-450** and **DAS Solar DAS-DH108ND-455** 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 - [DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-460](https://comparepv.com/compare/das-solar-das-dh108nd-450/das-solar-das-dh108nd-460) - 3 differences, the largest is module efficiency - [DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-445](https://comparepv.com/compare/das-solar-das-dh108nd-450/das-solar-das-dh108nd-445) - One difference: module efficiency - [DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108NA-445W](https://comparepv.com/compare/das-solar-das-dh108nd-450/das-solar-das-dh108na-445w) - 11 differences, the largest is module efficiency - [DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-440](https://comparepv.com/compare/das-solar-das-dh108nd-450/das-solar-das-dh108nd-440) - 3 differences, the largest is module efficiency - [DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108NA-440W](https://comparepv.com/compare/das-solar-das-dh108nd-450/das-solar-das-dh108na-440w) - 10 differences, the largest is module efficiency - [DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108NA-435](https://comparepv.com/compare/das-solar-das-dh108nd-450/das-solar-das-dh108na-435) - 8 differences, the largest is temperature coefficient --- Source: https://comparepv.com/compare/das-solar-das-dh108nd-450/das-solar-das-dh108nd-455 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.