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

# AU Optronics vs Talesun

Talesun has the broader catalog (144 vs 1 models). Talesun leads on peak efficiency at 24.80%. Talesun leans bifacial (59% of lineup).


## The two companies


| Attribute | AU Optronics | Talesun |
| --- | --- | --- |
| Country | Taiwan | China |
| Headquarters | Hsinchu | Suzhou |
| Founded | 1996 | 2010 |
| Employees | 41000+ | 501 |
| Annual capacity |  | 5+ GW/year |
| Tier 1 | yes | yes |
| Listed | TWSE (Taiwan Stock Exchange): 2409 |  |
| Website | [https://www.auo.com/en-global](https://www.auo.com/en-global) | [http://www.talesun.com](http://www.talesun.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...

Talesun Solar, a subsidiary of Zhongli Group, is a leading global photovoltaic manufacturer specializing in the development, manufacturing, and delivery of high-quality solar modules and integrated PV energy solutions. The company provides clean and affordable PV energy solutions for residential, commercial, and...


## Catalog & Power


| Measure | AU Optronics | Talesun | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 144 | +143 |
| Max Power | 170 W | 710 W | +540 W |
| Avg Power | 170 W | 564 W | +394 W |


## Efficiency


| Measure | AU Optronics | Talesun | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 24.80% | +8.80 pp |
| Avg Efficiency | 16.00% | 22.14% | +6.14 pp |


## Reliability & Warranty


| Measure | AU Optronics | Talesun | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.304%/°C | +0.134 |
| Bifacial Share | 0 (0%) | 85 (59%) | +59 pp |
| Avg Warranty | - | 28.8 yrs |  |


## Efficiency distribution

Talesun skews to higher efficiency: 28% of lineup is 23%+


| Efficiency band | AU Optronics | Talesun |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 5 (3.5%) |
| 20-21% | 0 | 24 (16.7%) |
| 21-22% | 0 | 32 (22.2%) |
| 22-23% | 0 | 43 (29.9%) |
| 23%+ | 0 | 40 (27.8%) |


## Power distribution

Talesun offers more 600W+ panels (49% of lineup)


| Power band | AU Optronics | Talesun |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 8 (5.6%) |
| 400-499W | 0 | 32 (22.2%) |
| 500-599W | 0 | 34 (23.6%) |
| 600-699W | 0 | 67 (46.5%) |
| 700W+ | 0 | 3 (2.1%) |


## Cell technology

Dominant cell tech: **TOPCon** (44%)


| Technology | AU Optronics | Talesun |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 5 (3.5%) |
| TOPCon | 0 | 63 (43.8%) |
| PERC | 0 | 51 (35.4%) |
| N-type | 0 | 17 (11.8%) |
| HJT | 0 | 8 (5.6%) |


## 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 |


## Top panels, Talesun


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TM8G66M-710](https://comparepv.com/panel/talesun-tm8g66m-710) | 710 | 22.9 | -0.290 | Monocrystalline |
| 2 | [TM8G66M-705](https://comparepv.com/panel/talesun-tm8g66m-705) | 705 | 22.7 | -0.290 | Monocrystalline |
| 3 | [TM8G66M-700](https://comparepv.com/panel/talesun-tm8g66m-700) | 700 | 22.5 | -0.290 | Monocrystalline |
| 4 | [TM8G66M-695](https://comparepv.com/panel/talesun-tm8g66m-695) | 695 | 22.4 | -0.290 | Monocrystalline |
| 5 | [TM8G66M-690](https://comparepv.com/panel/talesun-tm8g66m-690) | 690 | 22.2 | -0.290 | Monocrystalline |
| 6 | [TD8G66M/670W](https://comparepv.com/panel/talesun-td8g66m-670w) | 670 | 21.6 | -0.340 | Monocrystalline |
| 7 | [TP8F66M-670](https://comparepv.com/panel/talesun-tp8f66m-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 8 | [CIPRO-TN9C72M(H)-670](https://comparepv.com/panel/talesun-cipro-tn9c72m-h-670) | 670 | 24.8 | -0.260 | Monocrystalline |
| 9 | [TD8G66M/665W](https://comparepv.com/panel/talesun-td8g66m-665w) | 665 | 21.4 | -0.340 | Monocrystalline |
| 10 | [TP8F66M-665](https://comparepv.com/panel/talesun-tp8f66m-665) | 665 | 21.4 | -0.340 | Monocrystalline |


## Other comparisons

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


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

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