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JA Solar vs Maxx - solar panel manufacturer comparison

JA Solar
China Founded 2005 Tier 1
Read the JA Solar review
VS
Maxx
Headquarters not published
Read the Maxx review
At a glance

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.

Panel models
504 0
Highest power
740 Wp 0 Wp
Best efficiency
24.8% -
Average efficiency
21.1% -
Bifacial share
47% 0%
Average warranty
28 yrs -
01

The two companies

Company facts, not datasheet figures
JA Solar

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
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric JA Solar Maxx
Catalog & Power
Panel Models 504+504 0
Max Power 740 W+740 W 0 W
Avg Power 456 W+456 W 0 W
Efficiency
Max Efficiency 24.80% -
Avg Efficiency 21.13% -
Reliability & Warranty
Avg Temp Coefficient -0.322%/°C -
Bifacial Share 238 (47%)+47 pp 0 (0%)
Avg Warranty 27.9 yrs -

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.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

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

Power spread
Share of each catalogue in every power band

JA Solar offers more 600W+ panels (14% of lineup)

JA Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (49%)

Maxx cell technology
Share of their models by cell architecture
04

The flagships

Highest-power models from each brand
Maxx all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

JA Solar is a Chinese photovoltaic manufacturer founded in 2005, headquartered in Hefei, China, and listed on the Shenzhen Stock Exchange (SZSE). With a workforce of over 37,000 employees and a module production capacity exceeding 100 GW, it consistently ranks among the world's top-tier PV producers. The company holds Tier 1 bankable status from both BloombergNEF and S&P Global Commodity Insights, and jointly topped Wood Mackenzie's Global Solar Module Manufacturer Ranking for the first half of 2025, reflecting both its financial stability and shipping scale. Maxx, by contrast, is not an identifiable solar panel manufacturer - no verifiable production capacity, panel portfolio, certifications, or industry rankings have been found for this brand, making a symmetric comparison impossible.

JA Solar's catalogued portfolio of 524 panels is anchored by PERC cell technology (52% of the lineup), with a growing share of TOPCon modules representing the company's push toward next-generation efficiency. Maximum panel output reaches 740 Wp, average portfolio efficiency sits at approximately 20.9%, and peak module efficiency reaches 24.4%. An average temperature coefficient of -0.32%/°C supports reliable real-world output in warm climates. Roughly 44% of the lineup consists of bifacial modules, which are particularly valuable in utility-scale ground-mount and commercial C&I projects seeking rear-side energy gains. The average warranty across the portfolio stands at nearly 28 years, and JA Solar earned Top Performer status in PVEL's 2025 reliability testing for the tenth consecutive time. For residential rooftop installs, its mid-range PERC and entry-level TOPCon modules offer a strong price-to-performance ratio. Maxx has no documented panel data against which any technical comparison can be drawn.

For international buyers - including procurement teams active in the Polish and broader European market - JA Solar represents a low-risk, high-credibility choice backed by bankability ratings, diversified technology, and an established European distribution and warranty-service network. Maxx cannot be responsibly evaluated as an alternative until verifiable product specifications, manufacturer credentials, and bankability status become available.

Generated by Claude Sonnet · 2026-05-13

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 393 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.