---
title: "JA Solar vs MicroQuanta - Brand Comparison | ComparePV"
description: "Compare JA Solar vs MicroQuanta solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/ja-solar-vs-microquanta"
---

# JA Solar vs MicroQuanta

JA Solar has the broader catalog (504 vs 0 models). JA Solar leans bifacial (47% of lineup).


## The two companies


| Attribute | JA Solar | MicroQuanta |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Beijing | Hangzhou |
| Founded | 2005 | 2015 |
| Employees | 37,289 | 39 |
| Annual capacity | 100+ GW/year |  |
| Tier 1 | yes |  |
| Listed | SZSE: 002459 |  |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [http://www.microquanta.com](http://www.microquanta.com) |

JA Solar is a global leader in the manufacturing of high-performance photovoltaic products. Founded in 2005, the company designs, develops, manufactures, and sells solar cells and modules. JA Solar's products are used in ground-mounted power plants, commercial & industrial rooftop PV systems, and residential rooftop...

Microquanta Semiconductor is a developer and manufacturer of perovskite solar cell modules created to provide clean energy. The company's perovskite photovoltaic modules feature high energy conversion efficiency, offering business clients flexible clean energy solutions. Microquanta is a global pioneer in perovskite...


## Catalog & Power


| Measure | JA Solar | MicroQuanta | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 0 | +504 |
| Max Power | 740 W | 0 W | +740 W |
| Avg Power | 456 W | 0 W | +456 W |


## Efficiency


| Measure | JA Solar | MicroQuanta | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | - |  |
| Avg Efficiency | 21.13% | - |  |


## Reliability & Warranty


| Measure | JA Solar | MicroQuanta | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | - |  |
| Bifacial Share | 238 (47%) | 0 (0%) | +47 pp |
| Avg Warranty | 27.9 yrs | - |  |


## Efficiency distribution

JA Solar skews to higher efficiency: 15% of lineup is 23%+


| Efficiency band | JA Solar | MicroQuanta |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 0 |
| 20-21% | 99 (19.6%) | 0 |
| 21-22% | 112 (22.2%) | 0 |
| 22-23% | 107 (21.2%) | 0 |
| 23%+ | 74 (14.7%) | 0 |


## Power distribution

JA Solar offers more 600W+ panels (14% of lineup)


| Power band | JA Solar | MicroQuanta |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 0 |
| 400-499W | 173 (34.3%) | 0 |
| 500-599W | 120 (23.8%) | 0 |
| 600-699W | 60 (11.9%) | 0 |
| 700W+ | 9 (1.8%) | 0 |


## Cell technology

Dominant cell tech: **PERC** (49%)


| Technology | JA Solar | MicroQuanta |
| --- | --- | --- |
| PERC | 247 (49.0%) | 0 |
| TOPCon | 146 (29.0%) | 0 |
| N-type | 90 (17.9%) | 0 |
| Unknown | 16 (3.2%) | 0 |
| HJT | 5 (1.0%) | 0 |


## Top panels, JA Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JAM66D46-740/LB](https://comparepv.com/panel/ja-solar-jam66d46-740-lb) | 740 | 23.8 | -0.290 | Monocrystalline |
| 2 | [JAM66D46-735/LB](https://comparepv.com/panel/ja-solar-jam66d46-735-lb) | 735 | 23.7 | -0.290 | Monocrystalline |
| 3 | [JAM66D46-730/LB](https://comparepv.com/panel/ja-solar-jam66d46-730-lb) | 730 | 23.5 | -0.290 | Monocrystalline |
| 4 | [JAM66D46-725/LB](https://comparepv.com/panel/ja-solar-jam66d46-725-lb) | 725 | 23.3 | -0.290 | Monocrystalline |
| 5 | [JAM66D46-720/LB](https://comparepv.com/panel/ja-solar-jam66d46-720-lb) | 720 | 23.2 | -0.290 | Monocrystalline |
| 6 | [JAM66D46-715/LB](https://comparepv.com/panel/ja-solar-jam66d46-715-lb) | 715 | 23.0 | -0.290 | Monocrystalline |
| 7 | [JAM66D46-710/LB](https://comparepv.com/panel/ja-solar-jam66d46-710-lb) | 710 | 22.9 | -0.290 | Monocrystalline |
| 8 | [JAM66D46-705/LB](https://comparepv.com/panel/ja-solar-jam66d46-705-lb) | 705 | 22.7 | -0.290 | Monocrystalline |
| 9 | [JAM66D46-700/LB](https://comparepv.com/panel/ja-solar-jam66d46-700-lb) | 700 | 22.5 | -0.290 | Monocrystalline |
| 10 | [JAM66D46-695/LB](https://comparepv.com/panel/ja-solar-jam66d46-695-lb) | 695 | 22.4 | -0.290 | Monocrystalline |


## Summary

JA Solar was founded in 2005 in China and has grown into one of the world's largest solar panel manufacturers, ranking second globally in shipments and holding Tier 1 bankable status. With over 37,000 employees, a production capacity exceeding 100 GW, and shares listed on the Shenzhen Stock Exchange (SZSE), the company operates at a scale virtually unmatched outside a handful of Chinese industry leaders. Its 524-model portfolio reflects two decades of product development and was recognized as a Top Performer for the tenth time in PVEL's 2025 reliability testing. MicroQuanta, by contrast, was founded in 2015 and remains a micro-scale startup with just 39 employees. The company is a pioneer in perovskite photovoltaic technology and offers only 6 modules, with a maximum power output of 160 Wp - a fraction of what established silicon manufacturers deliver. MicroQuanta does not carry Tier 1 bankable status and is not listed on any stock exchange.

JA Solar's lineup spans efficiencies up to 24.4%, averaging approximately 20.9%, and covers both PERC-based modules (over 52% of the portfolio) and advanced TOPCon products. With 44.3% of its offering being bifacial and an average temperature coefficient of -0.32%/°C, JA Solar panels suit residential rooftop installs, large commercial C&I systems, and utility-scale ground-mount projects alike. Average warranties of nearly 28 years further reinforce the value proposition for project finance and lender confidence. MicroQuanta's perovskite modules, though limited in breadth, offer a potentially lower carbon footprint - around 150 g CO2/W versus over 400 g/W for silicon - and show real promise for building-integrated photovoltaic (BIPV) applications where lightweight or flexible form factors are required. MicroQuanta has reported that its perovskite installations generate approximately 11.5% more daily electricity than silicon-based stations at equivalent installed capacity, though this claim comes from the manufacturer itself and independent long-term data remain limited.

For most international buyers - residential homeowners, commercial developers, or utility-scale project financiers - JA Solar is the lower-risk, immediately bankable choice backed by massive production scale and a broad module catalog. MicroQuanta is better positioned as a niche technology partner for innovation-focused developers, BIPV architects, or research programs exploring perovskite commercialization, rather than a conventional competitor for mainstream project supply.

Written by claude-sonnet from the figures above.


## Other comparisons

- [JA Solar vs A.B. Energy](https://comparepv.com/ja-solar-vs-a-b-energy)
- [AE Solar vs MicroQuanta](https://comparepv.com/ae-solar-vs-microquanta)
- [JA Solar vs AEET](https://comparepv.com/ja-solar-vs-aeet)
- [AIKO vs MicroQuanta](https://comparepv.com/aiko-vs-microquanta)
- [JA Solar vs AKCOME](https://comparepv.com/ja-solar-vs-akcome)
- [ARTsolar vs MicroQuanta](https://comparepv.com/artsolar-vs-microquanta)


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Source: https://comparepv.com/ja-solar-vs-microquanta

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