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Global Tier-1

DeepBlue 4.0 Pro 54D40 LR/AU

470–475 W · 54-cell · N-type TOPCon · Dual-glass · Monofacial

JA SolarReleased 2026

60/ 100

Good

Global

Glass-Glass

The verdict. In our Global Tier-1 class, JA Solar DeepBlue 4.0 Pro 54D40 LR/AU leads on performance & degradation.

44thof 54 in Global Tier-1Bottom quarterclass average 66.9
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The assessment

How it scores, by category

Architecture & Design69
Efficiency & Yield64
Durability (verified)52
Performance & Degradation73
Guarantee & Backbone44
Sustainability46

Market position

44thof 54 in Global Tier-1Bottom quarter
526077

Our reading

DeepBlue 4.0 Pro 54D40 LR/AU scores 60, placing 44 of 54 in the Global Tier-1 class against a class average of 66.9. Its strongest scoring dimension is performance & degradation (73). Guarantee & Backbone scores 44, the lowest pillar for this product. The class average on guarantee & backbone is 61. Underlying specifications include a module efficiency of 23.8%, N-type TOPCon cell technology, 15-year product warranty backed by a 30-year performance term.

The data

Power
475W
Efficiency
23.8%
Cell
N-type TOPCon
Temp coeff
-0.29%/°C
Technology architecture

N-type TOPCon module

Architecture guide

Produces DC electricity at the roof. It contains no system-level power conversion or storage.

Product role
None in the module.
Published range
470–475 W
Electrical layer
DC module output
Construction
Monofacial, Dual-glass
Architecture describes the product boundary. It is not a system design or an equipment-pairing decision.

Performance guarantee: 30-year linear output

475 Wrated415W at yr 30
80859095100Guaranteed floor 87.4%Product 15yr87.4%0yr5yr10yr15yr20yr25yr30yr
Projected outputGuaranteed floor: 87.4% at yr 30Product warranty ends yr 15

Wattage figure based on the sourced rated power (475 W) applied to the guaranteed floor; modular/format differences aside, this is the same rated-power spec shown above.

Modelled effective output, year by year

470W425W

Year 1 to year 25. Rated 475 W at STC.

How this is modelled

Modelled from this panel’s own published first-year (1%) and annual (0.4%/yr) degradation figures, compounded against its 475 W rated (STC) output. This is a datasheet-derived estimate, not a field measurement or a warranty guarantee. Actual output also depends on site irradiance, temperature, soiling and system design.

Year1510152025
Watts470 W463 W453 W444 W434 W425 W
% of rated99.0%97.4%95.4%93.4%91.4%89.4%
Before you buy
Local positionUse a market view to check local availability, approvals and warranty scope.
Ask the installerWill the quote name the exact DeepBlue 4.0 Pro 54D40 LR/AU model and wattage, and who covers labour if the module warranty is used?

Verification & sources

Market context

Global evidencechange in the site menu

Global benchmark. This scorecard is benchmarked globally. A global score does not imply local availability, certification, warranty coverage, or installer compatibility.

Benchmark anchor. The score uses the highest exact current rating established for the retained AU scope. Scored model: JAM54D40-475/LR/AU · checked 2026-08-09. Evidence.

Sources & references · checked 2026-08-09

Strong evidence coverage

14 of 14 scored criteria link directly to a published source.

Values marked estimated, derived, or not found remain visible on the audit sheet and do not carry the same evidential weight as a linked source. Coverage measures direct links, not an independent guarantee that a claim is correct.

Evidence timeline

Recorded verification events for this scorecard. These are evidence checks, not historical score snapshots.

  1. Core scorecard evidence checked
  2. Series benchmark source checked
  3. AU market evidence checked

Scored by Solar Analytica Research

Stay across the benchmark.

New scorecards, score changes and market signals, published as they happen.