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

# JA Solar vs TCL Zhonghuan

JA Solar has the broader catalog (504 vs 66 models). JA Solar leads on peak efficiency at 24.80%. TCL Zhonghuan leans bifacial (65% of lineup).


## The two companies


| Attribute | JA Solar | TCL Zhonghuan |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Beijing | Tianjin |
| Founded | 2005 | 1981 |
| Employees | 37,289 |  |
| Annual capacity | 100+ GW/year |  |
| Tier 1 | yes | yes |
| Listed | SZSE: 002459 | SZSE: 002129 |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://www.tjsemi.com](https://www.tjsemi.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...


## Catalog & Power


| Measure | JA Solar | TCL Zhonghuan | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 66 | +438 |
| Max Power | 740 W | 725 W | +15 W |
| Avg Power | 456 W | 585 W | +128 W |


## Efficiency


| Measure | JA Solar | TCL Zhonghuan | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 24.60% | +0.20 pp |
| Avg Efficiency | 21.13% | 23.13% | +2.00 pp |


## Reliability & Warranty


| Measure | JA Solar | TCL Zhonghuan | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.273%/°C | +0.049 |
| Bifacial Share | 238 (47%) | 43 (65%) | +18 pp |
| Avg Warranty | 27.9 yrs | 30.0 yrs | +2.1 yr |


## Efficiency distribution

TCL Zhonghuan skews to higher efficiency: 58% of lineup is 23%+


| Efficiency band | JA Solar | TCL Zhonghuan |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 0 |
| 20-21% | 99 (19.6%) | 0 |
| 21-22% | 112 (22.2%) | 1 (1.5%) |
| 22-23% | 107 (21.2%) | 27 (40.9%) |
| 23%+ | 74 (14.7%) | 38 (57.6%) |


## Power distribution

TCL Zhonghuan offers more 600W+ panels (55% of lineup)


| Power band | JA Solar | TCL Zhonghuan |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 0 |
| 400-499W | 173 (34.3%) | 17 (25.8%) |
| 500-599W | 120 (23.8%) | 13 (19.7%) |
| 600-699W | 60 (11.9%) | 24 (36.4%) |
| 700W+ | 9 (1.8%) | 12 (18.2%) |


## Cell technology

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

Dominant cell tech: **Back Contact** (45%)


| Technology | JA Solar | TCL Zhonghuan |
| --- | --- | --- |
| PERC | 247 (49.0%) | 0 |
| TOPCon | 146 (29.0%) | 30 (45.5%) |
| N-type | 90 (17.9%) | 6 (9.1%) |
| Unknown | 16 (3.2%) | 0 |
| HJT | 5 (1.0%) | 0 |
| Back Contact | 0 | 30 (45.5%) |


## 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, TCL Zhonghuan


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HSM-ND66-GK725 (IEC1500V)](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk725-iec1500v) | 725 | 23.3 | -0.280 | Monocrystalline |
| 2 | [HSM-ND66-GK725](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk725) | 725 | 23.3 | -0.280 | Monocrystalline |
| 3 | [HSM-ND66-GK720 (IEC1500V)](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk720-iec1500v) | 720 | 23.0 | -0.280 | Monocrystalline |
| 4 | [HSM-ND66-GK720](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk720) | 720 | 23.2 | -0.280 | Monocrystalline |
| 5 | [HSM-ND66-GK715 (IEC1500V)](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk715-iec1500v) | 715 | 22.9 | -0.280 | Monocrystalline |
| 6 | [HSM-ND66-GK715](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk715) | 715 | 23.0 | -0.280 | Monocrystalline |
| 7 | [HSM-ND66-GK710](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk710) | 710 | 22.9 | -0.280 | Monocrystalline |
| 8 | [HSM-ND66-GK710 (IEC1500V)](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk710-iec1500v) | 710 | 22.9 | -0.280 | Monocrystalline |
| 9 | [HSM-ND66-GK705](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk705) | 705 | 22.7 | -0.280 | Monocrystalline |
| 10 | [HSM-ND66-GK705 (IEC1500V)](https://comparepv.com/panel/tcl-zhonghuan-hsm-nd66-gk705-iec1500v) | 705 | 22.7 | -0.280 | Monocrystalline |


## Summary

JA Solar and TCL Zhonghuan are both Chinese Tier 1 solar manufacturers listed on the Shenzhen Stock Exchange, but they occupy distinctly different positions in the market. JA Solar, founded in 2005, is one of the largest dedicated PV module manufacturers in the world, with over 37,000 employees and a production capacity exceeding 100 GW. The company has aggressively expanded its global manufacturing footprint, with investments in the United States (Arizona) and Oman, making it one of the more geographically diversified Chinese module suppliers. TCL Zhonghuan, founded in 1981, has its roots in semiconductor and silicon wafer manufacturing and commands roughly 23% of the global silicon wafer market. While its module portfolio is considerably smaller - 65 models compared to JA Solar's 524 - it is strategically focused on high-efficiency, premium-tier products. Both companies have faced margin pressure amid the broader Chinese solar industry downturn; TCL Zhonghuan reported significant losses in 2025 and underwent an executive reshuffle, which is a factor to monitor when assessing long-term supplier stability.

JA Solar's portfolio is broad and well-suited to residential rooftop installations and commercial C&I projects where price competitiveness, product availability, and proven reliability are paramount. Its panels have earned PVEL Top Performer status for the tenth consecutive year in 2025, and the Deep Blue series spanning PERC and TOPCon technologies covers a wide range of project requirements. Average panel efficiency sits at approximately 20.9% with a maximum of 24.4%, and 44.3% of the range is bifacial. TCL Zhonghuan, by contrast, positions itself at the premium end with Back Contact (BC) technology representing its leading product line. Average efficiency across its portfolio reaches approximately 23.1% - a meaningful gap above JA Solar - and the average temperature coefficient of -0.272%/°C compares favorably to JA Solar's -0.273%/°C, meaning lower power losses during hot weather. With 64.6% of its portfolio bifacial and a uniform 30-year performance warranty, TCL Zhonghuan targets utility-scale ground-mount projects, high-density commercial rooftops, and BIPV applications where maximum energy yield per square meter justifies a premium price.

For international buyers choosing between the two, JA Solar is the lower-risk, higher-volume choice for projects where bankability, spare-parts availability, and competitive module pricing are decisive factors - particularly for residential and mid-scale C&I. TCL Zhonghuan is the stronger candidate for projects that demand best-in-class efficiency and thermal performance, provided buyers factor in the company's current financial headwinds and narrower product range. In both cases, Tier 1 status and strong wafer-to-module vertical integration underpin long-term quality consistency.

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/ja-solar-vs-tcl-zhonghuan

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