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

# JA Solar vs Motech

JA Solar has the broader catalog (504 vs 28 models). JA Solar leads on peak efficiency at 24.80%. JA Solar leans bifacial (47% of lineup).


## The two companies


| Attribute | JA Solar | Motech |
| --- | --- | --- |
| Country | China | Taiwan |
| Headquarters | Beijing | Tainan City |
| Founded | 2005 | 1981 |
| Employees | 37,289 | 2,340 |
| Annual capacity | 100+ GW/year | 1.2+ GW/year |
| Tier 1 | yes |  |
| Listed | SZSE: 002459 | Taipei Exchange (TPEX): 6244 |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [http://www.motechsolar.com](http://www.motechsolar.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...

Motech Industries Inc. is dedicated to the research, development, and manufacture of high-quality solar products and services, ranging from photovoltaic (PV) cells, PV modules, to PV power systems. The company has evolved from a test and measurement instruments designer and manufacturer to a full-service global solar...


## Catalog & Power


| Measure | JA Solar | Motech | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 28 | +476 |
| Max Power | 740 W | 590 W | +150 W |
| Avg Power | 456 W | 421 W | +35 W |


## Efficiency


| Measure | JA Solar | Motech | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 22.90% | +1.90 pp |
| Avg Efficiency | 21.13% | 20.10% | +1.04 pp |


## Reliability & Warranty


| Measure | JA Solar | Motech | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.360%/°C | +0.038 |
| Bifacial Share | 238 (47%) | 3 (11%) | +37 pp |
| Avg Warranty | 27.9 yrs | 25.0 yrs | +2.9 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | Motech |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 12 (42.9%) |
| 20-21% | 99 (19.6%) | 7 (25.0%) |
| 21-22% | 112 (22.2%) | 3 (10.7%) |
| 22-23% | 107 (21.2%) | 6 (21.4%) |
| 23%+ | 74 (14.7%) | 0 |


## Power distribution

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


| Power band | JA Solar | Motech |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 13 (46.4%) |
| 400-499W | 173 (34.3%) | 9 (32.1%) |
| 500-599W | 120 (23.8%) | 6 (21.4%) |
| 600-699W | 60 (11.9%) | 0 |
| 700W+ | 9 (1.8%) | 0 |


## Cell technology

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

Dominant cell tech: **N-type** (11%)


| Technology | JA Solar | Motech |
| --- | --- | --- |
| PERC | 247 (49.0%) | 0 |
| TOPCon | 146 (29.0%) | 3 (10.7%) |
| N-type | 90 (17.9%) | 3 (10.7%) |
| Unknown | 16 (3.2%) | 22 (78.6%) |
| 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 |


## Top panels, Motech


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [XN72KF-590](https://comparepv.com/panel/motech-xn72kf-590) | 590 | 22.8 | -0.290 | Monocrystalline |
| 2 | [XN72KF-585](https://comparepv.com/panel/motech-xn72kf-585) | 585 | 22.6 | -0.290 | Monocrystalline |
| 3 | [XN72KF-580](https://comparepv.com/panel/motech-xn72kf-580) | 580 | 22.4 | -0.290 | Monocrystalline |
| 4 | [XS72CF-550](https://comparepv.com/panel/motech-xs72cf-550) | 550 | 21.3 | -0.348 | Monocrystalline |
| 5 | [XS72CF-545](https://comparepv.com/panel/motech-xs72cf-545) | 545 | 21.1 | -0.348 | Monocrystalline |
| 6 | [XS72CF-540](https://comparepv.com/panel/motech-xs72cf-540) | 540 | 20.9 | -0.348 | Monocrystalline |
| 7 | [XN60KF-495](https://comparepv.com/panel/motech-xn60kf-495) | 495 | 22.9 | -0.290 | Monocrystalline |
| 8 | [XN60KF-490](https://comparepv.com/panel/motech-xn60kf-490) | 490 | 22.7 | -0.290 | Monocrystalline |
| 9 | [XN60KF-485](https://comparepv.com/panel/motech-xn60kf-485) | 485 | 22.4 | -0.290 | Monocrystalline |
| 10 | [XS60CF-455](https://comparepv.com/panel/motech-xs60cf-455) | 455 | 21.0 | -0.348 | Monocrystalline |


## Summary

JA Solar and Motech represent two fundamentally different tiers of the solar PV industry. JA Solar, founded in 2005 and headquartered in China, ranks among the top global module manufacturers with a production capacity exceeding 100 GW and a workforce of over 37,000 employees. The company holds confirmed Tier 1 bankable status - achieving an AAA rating from PV ModuleTech and recognition from S&P Global Commodity Insights - and is listed on the Shenzhen Stock Exchange (SZSE). Motech, by contrast, was founded in 1981 in Tainan, Taiwan, and is listed on the Taipei Exchange (TPEX). With approximately 2,340 employees and a production capacity of around 1.2 GW, Motech operates primarily as a solar cell manufacturer rather than a finished-module brand, and does not appear as a panel supplier in mainstream module databases. Motech's Tier 1 bankable status as a module brand has not been confirmed in available industry sources.

JA Solar's portfolio spans over 524 module models, with a maximum output of 740 Wp and peak efficiency reaching 24.4%. The dominant cell technology is PERC (over 52% of the lineup), complemented by a growing TOPCon offering under the flagship 4.0 Pro series. Average module efficiency sits at approximately 20.9% with an average warranty term exceeding 27 years, making JA Solar well-suited for residential rooftop installs, commercial C&I projects, and large utility-scale ground-mount deployments across Europe and other global markets. Motech's business model is oriented toward cell supply - the company is scaling TOPCon cell capacity from 4 GW to 8 GW annually, developing a 2.5 GW HJT facility, and targeting mass production of tandem cells at 28-30% efficiency by mid-2025. Motech's finished modules are not widely distributed in European retail or project channels, with its installation activity focused mainly on Taiwanese government and large-scale commercial rooftop projects.

For international buyers choosing between the two, JA Solar is the practical choice for virtually any project type requiring bankable, widely distributed, and competitively priced modules with a proven global service network. Motech is a technically forward-looking cell manufacturer worth monitoring for next-generation cell technology development, but it does not currently function as a comparable finished-module supplier in most markets outside Asia.

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 Motech](https://comparepv.com/ae-solar-vs-motech)
- [JA Solar vs AEET](https://comparepv.com/ja-solar-vs-aeet)
- [AIKO vs Motech](https://comparepv.com/aiko-vs-motech)
- [JA Solar vs AKCOME](https://comparepv.com/ja-solar-vs-akcome)
- [ARTsolar vs Motech](https://comparepv.com/artsolar-vs-motech)


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

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