--- title: "JA Solar vs Pylontech - Brand Comparison | ComparePV" description: "Compare JA Solar vs Pylontech solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/ja-solar-vs-pylontech" --- # JA Solar vs Pylontech JA Solar has the broader catalog (504 vs 0 models). JA Solar leans bifacial (47% of lineup). ## The two companies | Attribute | JA Solar | Pylontech | | --- | --- | --- | | Country | China | China | | Headquarters | Beijing | Shanghai | | Founded | 2005 | 2009 | | Employees | 37,289 | 2,114 | | Annual capacity | 100+ GW/year | 7-8.5 (in 2022) GW/year | | Tier 1 | yes | yes | | Listed | SZSE: 002459 | SSE (Shanghai Stock Exchange): 688063 | | Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://www.pylontech.com.cn](https://www.pylontech.com.cn) | 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... Pylontech is a leading battery energy storage system (BESS) provider, specializing in lithium iron phosphate technology. They offer solutions for residential, commercial, and utility-scale applications, integrating expertise in electrochemistry, power electronics, and system integration. The company is dedicated to... ## Catalog & Power | Measure | JA Solar | Pylontech | 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 | Pylontech | Margin | | --- | --- | --- | --- | | Max Efficiency | 24.80% | - | | | Avg Efficiency | 21.13% | - | | ## Reliability & Warranty | Measure | JA Solar | Pylontech | 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 | Pylontech | | --- | --- | --- | | \<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 | Pylontech | | --- | --- | --- | | \<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 | Pylontech | | --- | --- | --- | | 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 and Pylontech are both Chinese companies operating in the renewable energy sector, but they serve entirely different product categories, making a direct head-to-head comparison impossible. JA Solar, founded in 2005 and listed on the Shenzhen Stock Exchange (SZSE), is a major global solar PV module manufacturer with over 37,000 employees and a production capacity exceeding 100 GW per year. Pylontech, founded in 2009 and listed on the Shanghai Stock Exchange (SSE), employs around 2,100 people and specializes exclusively in lithium iron phosphate (LiFePO4) battery energy storage systems - it manufactures zero solar panels. Both companies hold Tier 1 bankable status in their respective categories: JA Solar as a module maker and Pylontech as an energy storage manufacturer per BloombergNEF. JA Solar's portfolio spans 524 panel models with output up to 740 Wp and average efficiency of 20.87%, with its flagship Deep Blue 4.0 TOPCon line reaching up to 24.4% efficiency. The company earned PVEL "Top Performer" status for the tenth consecutive time in 2025, reinforcing its reliability credentials across residential rooftop installs, commercial C&I projects, and large utility-scale ground-mount deployments worldwide. Pylontech, by contrast, is a leading player in the battery storage space - its US series and Force H3 residential systems are widely deployed across Europe, and the company has established a Dutch subsidiary along with a manufacturing partnership in Italy with 400 MWh of initial production capacity, signaling a strong commitment to the European market. For international buyers, the two manufacturers are not alternatives but potential complements within the same project: JA Solar supplies the generation asset, Pylontech supplies the storage asset. If the selection criteria is solar panels, JA Solar is a well-validated, cost-competitive Tier 1 choice with a broad technology portfolio spanning PERC and TOPCon. If the need is battery storage, Pylontech is one of the most established value-for-money options in the residential and C&I segments across Europe. 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 Pylontech](https://comparepv.com/ae-solar-vs-pylontech) - [JA Solar vs AEET](https://comparepv.com/ja-solar-vs-aeet) - [AIKO vs Pylontech](https://comparepv.com/aiko-vs-pylontech) - [JA Solar vs AKCOME](https://comparepv.com/ja-solar-vs-akcome) - [ARTsolar vs Pylontech](https://comparepv.com/artsolar-vs-pylontech) --- Source: https://comparepv.com/ja-solar-vs-pylontech Not in this file, on the page: the distributions above drawn as charts.