JA Solar vs SolaX - 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
SolaX Power is a Chinese manufacturer of solar inverters, hybrid inverters, and energy storage systems, recognized as one of Asia's pioneering hybrid inverter developers. The company sells its products in over 80 countries and has expanded into a multinational corporation with R&D centers and offices across Europe...
- Founded
- 2012
- Headquarters
- Hangzhou, China
- Employees
- 2500-5000
- Listed
- SSE STAR: 688717
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 SolaX are both Chinese companies operating in the photovoltaic industry, but they serve fundamentally different segments of the solar market. JA Solar was founded in 2005 and is listed on the Shenzhen Stock Exchange (SZSE). With a workforce of over 37,000 employees and a manufacturing capacity exceeding 100 GW, it ranks among the top two solar module producers globally by shipment volume. The company holds Tier 1 bankable status confirmed by S&P Global Commodity Insights, with cumulative module shipments approaching 300 GW. SolaX, founded in 2012 and listed on the SSE STAR Market, employs between 2,500 and 5,000 people and has built its reputation primarily as an inverter and battery storage manufacturer - the company does not produce solar panels, making a direct module-to-module comparison impossible.
JA Solar's panel portfolio spans 524 models with a maximum output of 740 Wp and peak efficiency of 24.4%. The dominant cell technology is PERC, representing about 52% of its lineup, complemented by a growing TOPCon range in the DeepBlue 4.0 series. Nearly 44% of its portfolio consists of bifacial modules, and the average product warranty runs close to 28 years. This breadth makes JA Solar well suited for residential rooftop installs, commercial C&I projects, and large-scale utility-grade ground-mount arrays alike. SolaX, by contrast, offers single-phase hybrid inverters from 3 kW to 6 kW and three-phase units up to 150 kW, alongside LiFePO4 battery systems - a portfolio designed to complement third-party panels rather than compete with them.
For international buyers or system integrators selecting between the two, the choice is not truly an either-or decision. JA Solar is the appropriate pick when sourcing bankable, high-volume solar modules with a verified performance track record. SolaX becomes relevant when the procurement focus is on inverters or hybrid energy storage systems. In a full system design, the two products can be - and frequently are - deployed together rather than treated as competing alternatives.
Generated by Claude Sonnet · 2026-05-13
Other brand comparisons
Shop prices: See 389 JA Solar offers
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.