review.solar · Sourced values document
DeepBlue 5.0 54-cell
525–550 W · 54-cell · N-type TOPCon · Bifacial · Dual-glass
JA Solar
Global Tier-1
Released 2026 · Evidence checked 2026-07-31 · Scored to Solar Analytica panel rubric v2.9.0
63/100
Good
Overall
Score by category
Architecture & Design
69
Efficiency & Yield
74
Durability (verified)
52
Performance & Degradation
78
Guarantee & Backbone
41
Sustainability
46
Sourced specification values
Published power range525–550 W
Scored benchmark550 W
Cell architectureTOPCon
Module efficiency24.7%
Temp. coefficient Pmax-0.26 %/°C
First-year degradation1%
Annual degradation0.35 %/yr
Product warranty15 yr
Performance warranty30 yr
EncapsulationGlass-glass (framed)
Hail resistanceIEC 61215 standard (25mm)

Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.

Page 2 · Audit sheet: complete sourced record

DeepBlue 5.0 54-cell · every criterion scored by the live rubric (Solar Analytica panel rubric v2.9.0), with its recorded value, evidence status, and any linked source. Page 1 carries the buying-decision summary; this page is the full record for verification and right of reply.

Architecture & Design
Cell architectureTOPCondatasheetSource
Encapsulation & frame constructionGlass-glass (framed)datasheetSource
Fire classification (IEC 61730)CertifieddatasheetSource
Efficiency & Yield
Module efficiency (%)24.7datasheetSource
Temp coefficient Pmax (%/C)-0.26datasheetSource
Power tolerance (%)3datasheetSource
Durability (verified)
Positive loading (MQT16, Pa)5400datasheetSource
Negative loading (MQT16, Pa)2400datasheetSource
Hail resistanceIEC 61215 standard (25mm)datasheetSource
Performance & Degradation
Guaranteed end-of-warranty output (%)88.85statedSource
First-year degradation (%)1.0statedSource
Annual degradation (%/yr)0.35statedSource
Performance guarantee period (yrs)30statedSource
Guarantee & Backbone
Guarantee period (yrs)15statedSource

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/ja-solar-deepblue-5-jam54d50-550