Panel warranties · Live benchmark

25 panels promise 25 years or more. 11 cover parts only.

A 25-year product warranty can mean three very different things. The current review.solar benchmark contains 25 active panel records at that duration or longer, yet 11 promise replacement parts without service or transport in the recorded terms. This living comparison separates the years from the remedy and the company expected to honour it.

The years are not the remedy

This comparison uses the product warranty, the promise covering defects in the module, rather than the separate performance warranty that describes permitted power decline. A panel can publish a long performance curve while offering a shorter product remedy. Only active panel and thin-film records whose product-warranty field is at least 25 years enter this cohort.

review.solar

Product-warranty terms across 25 qualifying active panel records

25 years is the most common long product warranty.

25-year term19 of 25

76% of cohort

30-year term5 of 25

20% of cohort

40-year term1 of 25

4% of cohort

Chart data

Series	Value	Note
25-year term	19 of 25	76% of cohort
30-year term	5 of 25	20% of cohort
40-year term	1 of 25	4% of cohort

review.solar

Active panel records with product warranties of 25+ years

The duration is common. The remedy is not.

Parts only11 of 25

44% of cohort

Parts + service10 of 25

40% of cohort

Parts + service + transport3 of 25

12% of cohort

Other / not recorded1 of 25

4% of cohort

Chart data

Series	Value	Note
Parts only	11 of 25	44% of cohort
Parts + service	10 of 25	40% of cohort
Parts + service + transport	3 of 25	12% of cohort
Other / not recorded	1 of 25	4% of cohort

Parts only means the current scorecard records a repair or replacement-part remedy but does not record service or transport in the same coverage band. Parts plus service adds a service or labour component. Parts plus service and transport also records movement or shipping in the remedy. These are benchmark comparison bands, not substitutes for the complete warranty wording.

Every qualifying panel, on the same five questions

The table is generated from the same records as the charts. Evidence labels matter: sourced means a criterion is tied to published evidence in the audit sheet; estimated remains visible as an editorial estimate and should not be read with the same certainty. Open any scorecard to inspect its complete trail.

Panel	Product warranty	Recorded remedy	Manufacturer backing	Term evidence
SunPower Maxeon 7 435–445 W	40 years	Parts + service + transport	Financial distress note Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
SunPower Performance 7 440–455 W	30 years	Parts + service + transport	Financial distress note Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Solarwatt Panel vision 420–435 W	30 years	Parts + service	Strong parent / profitable Sourced	Term: Estimated Scope: Estimated Audit trail
WINAICO NGX-D3 430–450 W	30 years	Parts + service	Strong parent / profitable Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
SEG Solar YUKON N Series 425–445 W · US benchmark	30 years	Parts only	Backing review pending Not recorded	Term: Sourced Scope: Sourced Term document Audit trail
SunPower Max 54-cell 490–505 W · AU benchmark	30 years	Other / not recorded	Strong parent / profitable Sourced Backing source	Term: Sourced Scope: Not found Term document Audit trail
Tindo Solar Walara G4P 440 W · AU benchmark	25 years	Parts + service + transport	Stable / listed Sourced	Term: Sourced Scope: Sourced Term document Audit trail
AIKO G4 Infinite Ultra 690 W	25 years	Parts + service	Stable / listed Estimated	Term: Estimated Scope: Estimated Audit trail
JA Solar DeepBlue 4.0 Pro 430–455 W · AU benchmark	25 years	Parts + service	Stable / listed Sourced	Term: Estimated Scope: Estimated Audit trail
Meyer Burger Glass 370–390 W	25 years	Parts + service	Financial distress note Sourced Backing source	Term: Estimated Scope: Estimated Audit trail
Mission Solar MSE PERC 108HC 405–425 W · US benchmark	25 years	Parts + service	Strong parent / profitable Sourced	Term: Estimated Scope: Estimated Audit trail
Silfab Prime QD 420–440 W	25 years	Parts + service	Strong parent / profitable Sourced	Term: Sourced Scope: Estimated Term document Audit trail
Tesla TSP 420 415–420 W · US benchmark	25 years	Parts + service	Strong parent / profitable Sourced	Term: Sourced Scope: Estimated Term document Audit trail
Trina Solar Vertex S+ G3 78-cell 495–515 W · AU benchmark	25 years	Parts + service	Stable / listed Sourced	Term: Sourced Scope: Sourced Term document Audit trail
Trina Solar Vertex S+ NEG18R.25 490–515 W · AU benchmark	25 years	Parts + service	Stable / listed Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Canadian Solar TOPHiKu6 48TD 435–460 W · AU benchmark	25 years	Parts only	Stable / listed Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Canadian Solar TOPHiKu6 48TM 440–470 W · US benchmark	25 years	Parts only	Backing review pending Not recorded	Term: Sourced Scope: Sourced Term document Audit trail
Jinko Solar Tiger Neo 48HL4M-DB 450–475 W	25 years	Parts only	Stable / listed Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Jinko Solar Tiger Neo 54HL4R 415–435 W · AU benchmark	25 years	Parts only	Stable / listed Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Jinko Solar Tiger Neo 54HL4R-B 420–440 W · AU benchmark	25 years	Parts only	Stable / listed Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Jinko Solar Tiger Neo 54HL4R-BDV 430–450 W · AU benchmark	25 years	Parts only	Stable / listed Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Jinko Solar Tiger Neo 54HL4R-V 420–440 W · AU benchmark	25 years	Parts only	Stable / listed Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Jinko Solar Tiger Neo III 48QL6-DV 460–485 W · AU benchmark	25 years	Parts only	Backing review pending Not recorded	Term: Sourced Scope: Sourced Term document Audit trail
Qcells Q.TRON BLK M-G2+ 415–440 W · US benchmark	25 years	Parts only	Strong parent / profitable Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail
Qcells Q.TRON BLK S-G3R.12+/BFG 435–445 W	25 years	Parts only	Strong parent / profitable Sourced Backing source	Term: Sourced Scope: Sourced Term document Audit trail

25 of 51 active panel and thin-film records currently meet the 25-year product-warranty threshold. A market tag appears only where the benchmark records one; absence of a tag is not a claim of global coverage.

The strongest wording can still have weak backing

A warranty is a future obligation. Its usefulness therefore depends on both the written remedy and the legal manufacturer or responsible local entity still being able to perform it. In this cohort, 19 records carry a stable or financially strong backing entry, 3 carry a sourced financial-distress note, and 3 do not yet carry a completed backing field. The chart does not convert those facts into a forecast.

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Manufacturer backing recorded in the same cohort

A long promise still depends on who stands behind it.

Stable / strong record19 of 25

76% of cohort

Financial distress note3 of 25

12% of cohort

Review pending3 of 25

12% of cohort

Chart data

Series	Value	Note
Stable / strong record	19 of 25	76% of cohort
Financial distress note	3 of 25	12% of cohort
Review pending	3 of 25	12% of cohort

Financial flags on review.solar are factual context, kept separate from engineering scores. They do not declare that a product is defective or that a claim will fail. Likewise, a stable or strong entry cannot guarantee that a claim will be accepted. It tells the reader what current evidence exists about the entity behind a multi-decade promise.

Two related Signals show why this layer matters: the SunPower, Maxeon and TCL company map separates brand from legal manufacturer, while the Panasonic EverVolt exit record shows how a respected product line can leave the market before every expected service life is complete.

Local consumer rights sit beside the manufacturer wording

This is a global comparison, but warranty documents and statutory rights are market-specific. In Australia, the ACCC states that consumer guarantees for solar products and installation services are automatic and separate from a manufacturer's voluntary warranty. A parts-only manufacturer classification therefore does not remove rights that may exist against a supplier under Australian Consumer Law. Other markets allocate rights and responsible parties differently, so buyers should confirm the law and contract that apply where the system is installed.

Australian legal context: ACCC, Solar panel systems and home batteries. This article is comparative research, not legal advice.

What to verify before treating 25 years as 25 years

Before signing

Four checks turn a headline term into a usable warranty.

1. 01
   Exact model and market

   Match the model code, source-market document, purchase date and registration requirements.

2. 02
   Remedy scope

   Separate replacement parts from diagnosis, site labour, removal, reinstallation and freight.

3. 03
   Claim route

   Identify the retailer, installer, importer or manufacturer that must receive and progress a claim.

4. 04
   Backing

   Read the legal manufacturer and current company-status evidence alongside the number of years.

A useful quote should name the exact panel model, attach the applicable warranty document, identify who pays diagnosis, labour and freight, and state which business handles the claim. The benchmark can narrow that investigation; it cannot replace the final contract or the current terms supplied in the buyer's market.

This article moves with the benchmark

The URL and original publication date stay fixed. At every site build, this Signal reselects all active panel records at 25 product-warranty years or more, then recalculates its headline, charts, table, linked scorecards and source trail. A newly added qualifying product enters automatically. A product moved to the archive leaves the current cohort but remains available in the historical record.

The underlying active panel evidence was most recently verified on 27 July 2026. Explore the full panel leaderboard, build a shortlist in Compare, or read how evidence states are treated in the methodology. Corrections can be submitted through the evidence correction route.

Sources25 scorecards + method

• review.solar methodology. Product-warranty duration, assurance, evidence-state and financial-backing fields are compared without changing the published product scores.
• Australian Competition and Consumer Commission, Solar panel systems and home batteries. Consumer guarantees and voluntary-warranty context for Australian buyers.
• SunPower Maxeon 7 scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, manufacturer-backing source.
• SunPower Performance 7 scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, manufacturer-backing source.
• Solarwatt Panel vision scorecard. Product term: Estimated; remedy scope: Estimated; backing: Sourced.
• WINAICO NGX-D3 scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source.
• SEG Solar YUKON N Series scorecard. Product term: Sourced; remedy scope: Sourced; backing: Not recorded. Direct references: product-warranty term source.
• SunPower Max 54-cell scorecard. Product term: Sourced; remedy scope: Not found; backing: Sourced. Direct references: product-warranty term source, remedy-scope source.
• Tindo Solar Walara G4P scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, remedy-scope source.
• AIKO G4 Infinite Ultra scorecard. Product term: Estimated; remedy scope: Estimated; backing: Estimated.
• JA Solar DeepBlue 4.0 Pro scorecard. Product term: Estimated; remedy scope: Estimated; backing: Sourced.
• Meyer Burger Glass scorecard. Product term: Estimated; remedy scope: Estimated; backing: Sourced. Direct references: manufacturer-backing source.
• Mission Solar MSE PERC 108HC scorecard. Product term: Estimated; remedy scope: Estimated; backing: Sourced.
• Silfab Prime QD scorecard. Product term: Sourced; remedy scope: Estimated; backing: Sourced. Direct references: product-warranty term source.
• Tesla TSP 420 scorecard. Product term: Sourced; remedy scope: Estimated; backing: Sourced. Direct references: product-warranty term source.
• Trina Solar Vertex S+ G3 78-cell scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, remedy-scope source.
• Trina Solar Vertex S+ NEG18R.25 scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, remedy-scope source, manufacturer-backing source.
• Canadian Solar TOPHiKu6 48TD scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, remedy-scope source, manufacturer-backing source.
• Canadian Solar TOPHiKu6 48TM scorecard. Product term: Sourced; remedy scope: Sourced; backing: Not recorded. Direct references: product-warranty term source.
• Jinko Solar Tiger Neo 48HL4M-DB scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, remedy-scope source, manufacturer-backing source.
• Jinko Solar Tiger Neo 54HL4R scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, manufacturer-backing source.
• Jinko Solar Tiger Neo 54HL4R-B scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, manufacturer-backing source.
• Jinko Solar Tiger Neo 54HL4R-BDV scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, manufacturer-backing source.
• Jinko Solar Tiger Neo 54HL4R-V scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, manufacturer-backing source.
• Jinko Solar Tiger Neo III 48QL6-DV scorecard. Product term: Sourced; remedy scope: Sourced; backing: Not recorded. Direct references: product-warranty term source, remedy-scope source.
• Qcells Q.TRON BLK M-G2+ scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, manufacturer-backing source.
• Qcells Q.TRON BLK S-G3R.12+/BFG scorecard. Product term: Sourced; remedy scope: Sourced; backing: Sourced. Direct references: product-warranty term source, manufacturer-backing source.

Counts describe the current review.solar dataset, not every panel sold worldwide. Product terms, company circumstances and local rights change. Verify the exact model and current market document before purchase.