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

# AU Optronics vs Sunlike Solar

Sunlike Solar has the broader catalog (135 vs 1 models). Sunlike Solar leads on peak efficiency at 23.52%. Sunlike Solar leans bifacial (42% of lineup).


## The two companies


| Attribute | AU Optronics | Sunlike Solar |
| --- | --- | --- |
| Country | Taiwan | China |
| Headquarters | Hsinchu | Wuxi, Jiangsu |
| Founded | 1996 | 2010 |
| Employees | 41000+ | 300 |
| Annual capacity |  | 2 GW/year |
| Tier 1 | yes |  |
| Listed | TWSE (Taiwan Stock Exchange): 2409 |  |
| Website | [https://www.auo.com/en-global](https://www.auo.com/en-global) | [http://www.sunlikesolar.com](http://www.sunlikesolar.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...

Sunlike Solar Co., Ltd. is a high-tech enterprise specializing in researching, developing, designing, and producing new energy and renewable energy products. They offer various high-efficiency monocrystalline and polycrystalline solar cells and solar modules ranging from 200W to 750W. Their production capacity has...


## Catalog & Power


| Measure | AU Optronics | Sunlike Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 135 | +134 |
| Max Power | 170 W | 675 W | +505 W |
| Avg Power | 170 W | 493 W | +323 W |


## Efficiency


| Measure | AU Optronics | Sunlike Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 23.52% | +7.52 pp |
| Avg Efficiency | 16.00% | 21.19% | +5.19 pp |


## Reliability & Warranty


| Measure | AU Optronics | Sunlike Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.328%/°C | +0.110 |
| Bifacial Share | 0 (0%) | 57 (42%) | +42 pp |
| Avg Warranty | - | 27.2 yrs |  |


## Efficiency distribution

Sunlike Solar skews to higher efficiency: 5% of lineup is 23%+


| Efficiency band | AU Optronics | Sunlike Solar |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 16 (11.9%) |
| 20-21% | 0 | 41 (30.4%) |
| 21-22% | 0 | 36 (26.7%) |
| 22-23% | 0 | 35 (25.9%) |
| 23%+ | 0 | 7 (5.2%) |


## Power distribution

Sunlike Solar offers more 600W+ panels (19% of lineup)


| Power band | AU Optronics | Sunlike Solar |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 16 (11.9%) |
| 400-499W | 0 | 67 (49.6%) |
| 500-599W | 0 | 26 (19.3%) |
| 600-699W | 0 | 26 (19.3%) |


## Cell technology

Dominant cell tech: **PERC** (38%)


| Technology | AU Optronics | Sunlike Solar |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 30 (22.2%) |
| PERC | 0 | 51 (37.8%) |
| N-type | 0 | 27 (20.0%) |
| TOPCon | 0 | 18 (13.3%) |
| HJT | 0 | 5 (3.7%) |
| Back Contact | 0 | 4 (3.0%) |


## 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 |


## Top panels, Sunlike Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [LNET-675M](https://comparepv.com/panel/sunlike-solar-lnet-675m) | 675 | 21.7 | -0.340 | Monocrystalline |
| 2 | [LNET-670M](https://comparepv.com/panel/sunlike-solar-lnet-670m) | 670 | 21.6 | -0.340 | Monocrystalline |
| 3 | [LNET-670MD](https://comparepv.com/panel/sunlike-solar-lnet-670md) | 670 | 21.6 | -0.340 | Monocrystalline |
| 4 | [LNET-665M](https://comparepv.com/panel/sunlike-solar-lnet-665m) | 665 | 21.4 | -0.340 | Monocrystalline |
| 5 | [LNET-665MD](https://comparepv.com/panel/sunlike-solar-lnet-665md) | 665 | 21.4 | -0.340 | Monocrystalline |
| 6 | [LNET-660M](https://comparepv.com/panel/sunlike-solar-lnet-660m) | 660 | 21.2 | -0.340 | Monocrystalline |
| 7 | [LNET-660MD](https://comparepv.com/panel/sunlike-solar-lnet-660md) | 660 | 21.2 | -0.340 | Monocrystalline |
| 8 | [LNET-655M](https://comparepv.com/panel/sunlike-solar-lnet-655m) | 655 | 21.1 | -0.340 | Monocrystalline |
| 9 | [LNET-655MD](https://comparepv.com/panel/sunlike-solar-lnet-655md) | 655 | 21.1 | -0.340 | Monocrystalline |
| 10 | [LNET-650MD](https://comparepv.com/panel/sunlike-solar-lnet-650md) | 650 | 20.9 | -0.340 | Monocrystalline |


## Other comparisons

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


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Source: https://comparepv.com/au-optronics-vs-sunlike-solar

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