---
title: "AU Optronics vs DAH - Brand Comparison | ComparePV"
description: "Compare AU Optronics vs DAH solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/au-optronics-vs-dah"
---

# AU Optronics vs DAH

AU Optronics has the broader catalog (1 vs 0 models).


## The two companies


| Attribute | AU Optronics | DAH |
| --- | --- | --- |
| Country | Taiwan | China |
| Headquarters | Hsinchu | Hefei |
| Founded | 1996 | 2009 |
| Employees | 41000+ |  |
| Annual capacity |  |  |
| Tier 1 | yes | yes |
| Listed | TWSE (Taiwan Stock Exchange): 2409 |  |
| Website | [https://www.auo.com/en-global](https://www.auo.com/en-global) | [https://www.dahsolarpv.com](https://www.dahsolarpv.com) |

AU Optronics (AUO) is a technology-driven company based in Taiwan, specializing in optoelectronics and display solutions. They deliver products and services that advance innovation in areas like display technology, system solutions, industrial intelligence, healthcare, and energy. AUO operates globally across Asia...


## Catalog & Power


| Measure | AU Optronics | DAH | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 0 | +1 |
| Max Power | 170 W | 0 W | +170 W |
| Avg Power | 170 W | 0 W | +170 W |


## Efficiency


| Measure | AU Optronics | DAH | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | - |  |
| Avg Efficiency | 16.00% | - |  |


## Reliability & Warranty


| Measure | AU Optronics | DAH | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | - |  |
| Bifacial Share | 0 (0%) | 0 (0%) |  |
| Avg Warranty | - | - |  |


## Efficiency distribution


| Efficiency band | AU Optronics | DAH |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 0 |


## Power distribution


| Power band | AU Optronics | DAH |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 0 |


## Cell technology


| Technology | AU Optronics | DAH |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |


## Top panels, AU Optronics


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ASM170M](https://comparepv.com/panel/au-optronics-asm170m) | 170 | 16.0 | -0.438 | Monocrystalline |


## Other comparisons

- [AU Optronics vs A.B. Energy](https://comparepv.com/au-optronics-vs-a-b-energy)
- [AE Solar vs DAH](https://comparepv.com/ae-solar-vs-dah)
- [AU Optronics vs AEET](https://comparepv.com/au-optronics-vs-aeet)
- [AIKO vs DAH](https://comparepv.com/aiko-vs-dah)
- [AU Optronics vs AKCOME](https://comparepv.com/au-optronics-vs-akcome)
- [ARTsolar vs DAH](https://comparepv.com/artsolar-vs-dah)


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Source: https://comparepv.com/au-optronics-vs-dah

Not in this file, on the page: the distributions above drawn as charts.