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JA Solar solar panels review.

Known for DeepBlue 4.0 Pro N-type panels.

7.4GoodEnergyUpgrade Score out of 10

#5 of 8 solar panel brands

Founded
2005
Headquarters
Beijing, China
Stock exchange
Shenzhen Stock Exchange (002459)
PVEL Top Performer
11 scorecards, incl. 2024–2026
BloombergNEF Tier 1
Yes, Q2 2026
Series on the approved list
3

Our verdict

Is a JA Solar panel right for you?

Consistently good panels with one of the strongest independent test records, at a mainstream price. Not the most efficient, but a safe, sensible pick.

Rated 7.4/10, #5 of 8 brands we rate for solar panels.

A good fit if

  • You want proven quality without paying a premium
  • Your roof has room for standard-size panels

Maybe look elsewhere if

  • Roof space is tight and you need maximum efficiency

What we like

  • Test record

    Kiwa PVEL Top Performer in 11 scorecards, including 2024–2026.

  • Heat tolerance

    DeepBlue 4.0 Pro holds output well in Australian summers.

  • Local service

    North Sydney office with a service email.

Worth weighing up

  • Confusing model codes

    Dozens of near-identical codes; check the exact DeepBlue version and its warranty (12, 15 or 25 years).

  • Efficiency

    A step behind back-contact panels from Aiko and LONGi.

What owners say.

4.8out of 5

From 895 owner reviews of JA Solar solar panels on independent review sites.

Ratings as published on 8 October 2026. Some review sites invite or reward reviews, so we weight ratings by how many reviews sit behind them and pull small samples towards an average. We don't collect or edit these reviews.

How we rate JA Solar solar panels.

7.4

The same five parts for every brand. No brand can pay to change any of it. The full method

  • Product scores · 30%

    8.1

    Best two series: DeepBlue 4.0 Pro 8.2, DeepBlue 5.0 8.1

  • Owner reviews · 15%

    8.9

    4.8 stars from 895 owner reviews on SolarQuotes

  • Track record · 20%

    10.0

    PVEL Top Performer in 11 scorecards, including 2024, 2025 and 2026

  • Installer and market standing · 25%

    3.0

    Not in the top five of the installer vote; BloombergNEF Tier 1 module maker

  • Australian support · 10%

    9.0

    Australian office, local phone, service email

Every JA Solar panel series.

Tap a series for why it scores what it does, its full specs, every version and the datasheet.

Questions to ask your installer

  1. 1Which exact series and version is on my quote?
  2. 2Who handles a warranty claim if your business closes?
  3. 3How will the panels be laid out around shade and roof faces?

A good installer will be glad you asked, whichever brand you choose.

Australian support

Office
Suite 3, Level 25, 100 Mount Street, North Sydney NSW 2060
Phone
02 8912 2165
Email
service.au@jasolar.com

Your installer is the first contact for a warranty claim. Use these if your installer has closed.

Recalls and known issues

No recalls on the ACCC Product Safety register for JA Solar solar panels, checked 6 October 2026.

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