JA Solar vs Pylontech - solar panel manufacturer comparison
JA Solar has the broader catalog (504 vs 0 models). JA Solar leans bifacial (47% of lineup).
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
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...
- Founded
- 2005
- Headquarters
- Beijing, China
- Annual capacity
- 100+ GW/year
- Employees
- 37,289
- Listed
- SZSE: 002459
- Tier 1 bankable
- Yes
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...
- Founded
- 2009
- Headquarters
- Shanghai, China
- Annual capacity
- 7-8.5 (in 2022) GW/year
- Employees
- 2,114
- Tier 1 bankable
- Yes
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
JA Solar skews to higher efficiency: 15% of lineup is 23%+
JA Solar offers more 600W+ panels (14% of lineup)
Dominant cell tech: <strong>PERC</strong> (49%)
The flagships
Written 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.
Generated by Claude Sonnet · 2026-05-13
Other brand comparisons
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Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.