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

# JA Solar vs Jshine Solar Technology

JA Solar has the broader catalog (504 vs 5 models). JA Solar leads on peak efficiency at 24.80%. Jshine Solar Technology leans bifacial (100% of lineup).


## The two companies


| Attribute | JA Solar | Jshine Solar Technology |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Beijing | Shanghai |
| Founded | 2005 | 2014 |
| Employees | 37,289 |  |
| Annual capacity | 100+ GW/year |  |
| Tier 1 | yes |  |
| Listed | SZSE: 002459 |  |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://www.jshinesolar.com](https://www.jshinesolar.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...

Jshine Solar Technology Co., Ltd., established in 2014 in Shanghai, China, is a solar solution provider. They focus on residential and ground-mounted power plants, offering modules, inverters, distribution boxes, and mounting systems. The company has expanded to include Jshine Solar Hong Kong Limited as its global...


## Catalog & Power


| Measure | JA Solar | Jshine Solar Technology | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 5 | +499 |
| Max Power | 740 W | 400 W | +340 W |
| Avg Power | 456 W | 390 W | +66 W |


## Efficiency


| Measure | JA Solar | Jshine Solar Technology | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 21.96% | +2.84 pp |
| Avg Efficiency | 21.13% | 21.41% | +0.28 pp |


## Reliability & Warranty


| Measure | JA Solar | Jshine Solar Technology | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.240%/°C | +0.082 |
| Bifacial Share | 238 (47%) | 5 (100%) | +53 pp |
| Avg Warranty | 27.9 yrs | 30.0 yrs | +2.1 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | Jshine Solar Technology |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 0 |
| 20-21% | 99 (19.6%) | 1 (20.0%) |
| 21-22% | 112 (22.2%) | 4 (80.0%) |
| 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 | Jshine Solar Technology |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 4 (80.0%) |
| 400-499W | 173 (34.3%) | 1 (20.0%) |
| 500-599W | 120 (23.8%) | 0 |
| 600-699W | 60 (11.9%) | 0 |
| 700W+ | 9 (1.8%) | 0 |


## Cell technology

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

Dominant cell tech: **HJT** (100%)


| Technology | JA Solar | Jshine Solar Technology |
| --- | --- | --- |
| 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%) | 5 (100.0%) |


## 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, Jshine Solar Technology


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JS 380~400W 120M6 HJT DG (400W class)](https://comparepv.com/panel/jshine-solar-technology-js-380-400w-120m6-hjt-dg-400w-class) | 400 | 22.0 | -0.240 | Monocrystalline |
| 2 | [JS 380~400W 120M6 HJT DG (395W class)](https://comparepv.com/panel/jshine-solar-technology-js-380-400w-120m6-hjt-dg-395w-class) | 395 | 21.7 | -0.240 | Monocrystalline |
| 3 | [JS 380~400W 120M6 HJT DG (390W class)](https://comparepv.com/panel/jshine-solar-technology-js-380-400w-120m6-hjt-dg-390w-class) | 390 | 21.4 | -0.240 | Monocrystalline |
| 4 | [JS 380~400W 120M6 HJT DG (385W class)](https://comparepv.com/panel/jshine-solar-technology-js-380-400w-120m6-hjt-dg-385w-class) | 385 | 21.1 | -0.240 | Monocrystalline |
| 5 | [JS 380~400W 120M6 HJT DG (380W class)](https://comparepv.com/panel/jshine-solar-technology-js-380-400w-120m6-hjt-dg-380w-class) | 380 | 20.9 | -0.240 | Monocrystalline |


## Summary

JA Solar and Jshine Solar Technology are both Chinese solar panel manufacturers, yet they occupy entirely different ends of the market spectrum. JA Solar, founded in 2005 and listed on the Shenzhen Stock Exchange, is one of the largest module manufacturers in the world, with a production capacity exceeding 100 GW, a workforce of over 37,000, and cumulative global shipments approaching 300 GW across 178 countries. The company holds Tier 1 status from S&P Global Commodity Insights and jointly topped Wood Mackenzie's global module manufacturer ranking for the first half of 2025. Its portfolio spans 524 panel models, with PERC technology accounting for roughly 52% of products and a growing share of TOPCon offerings. Jshine Solar Technology, founded in 2014 and based in Shanghai's Pudong district, is a niche manufacturer with only five panel models in its current lineup and no Tier 1 bankability rating. All of Jshine's panels use HJT (heterojunction) cell technology and are fully bifacial, positioning the company as a premium specialist rather than a volume supplier.

JA Solar's key strengths lie in its scale, supply reliability, and the breadth of its product range - from compact residential modules up to 740 Wp high-output panels suited for utility-scale ground-mount projects and large commercial C&I rooftops. Its Tier 1 status makes it a preferred choice when project financing, bank loans, or leasing arrangements require certified bankability. Average efficiency across the portfolio sits at around 20.87%, with the highest-end panels reaching 24.4%. Jshine Solar's competitive edge is its technology premium: 100% bifacial HJT panels with an average efficiency of 21.41% and, notably, a temperature coefficient of Pmax at -0.24%/°C - significantly better than JA Solar's average of -0.32%/°C. This makes Jshine panels particularly well-suited for rooftop installations in warm climates or poorly ventilated settings where heat dissipation is limited. The 30-year average warranty also edges above JA Solar's average of 27.85 years, offering a strong selling point in premium residential and commercial projects.

For international buyers selecting between the two, JA Solar is the low-risk, high-availability choice for any project scale - from residential rooftop installs to multi-megawatt utility farms - especially where lender or investor approval depends on Tier 1 certification. Jshine Solar Technology is better suited to buyers who prioritize cell technology leadership and efficiency in a smaller, curated portfolio, and who are comfortable with the trade-off of limited availability and the absence of formal bankability ratings. The two manufacturers are not direct competitors in practice: JA Solar competes globally on volume and reliability, while Jshine targets a narrower premium segment where HJT's thermal performance and bifacial yield gains justify the higher per-watt cost.

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/ja-solar-vs-jshine-solar-technology

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