review.solar · Sourced values document
Hi-MO X10 Explorer 54HVH
475–490 W · 54-cell · HPBC back-contact · Mono-glass
LONGi
Global Tier-1
Released ~2025 · Evidence checked 2026-07-14 · Scored to Solar Analytica panel rubric v2.9.0
75/100
Superior
Overall
Score by category
Architecture & Design
79
Efficiency & Yield
83
Durability (verified)
70
Performance & Degradation
78
Guarantee & Backbone
64
Sustainability
72
Sourced specification values
Published power range475–490 W
Scored benchmark490 W
Cell architectureBack-contact hybrid (HPBC)
Module efficiency24%
Temp. coefficient Pmax-0.26 %/°C
First-year degradation1%
Annual degradation0.35 %/yr
Product warranty15 yr
Performance warranty30 yr
EncapsulationGlass-backsheet (standard or unspecified backsheet)
Energy yield test resultField/PAN energy-yield Top Performer
Reliability testingTop Performer (multi-year)
Carbon footprint / EPDEPD published (intensity disclosed, not low-carbon certified)
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 (1 of 2)

Hi-MO X10 Explorer 54HVH · 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 and the next page are the full record for verification and right of reply.

Architecture & Design
Cell architectureBack-contact hybrid (HPBC)datasheetSource
Encapsulation & frame constructionGlass-backsheet (standard or unspecified backsheet)datasheetNo link
ContactRear ContactdatasheetSource
Fire classification (IEC 61730)CertifiedstatedSource
AwardsNot Listednot foundNo link
Efficiency & Yield
Module efficiency (%)24.0datasheetSource
Independent energy yieldField/PAN energy-yield Top Performer3rd partySource
Temp coefficient Pmax (%/C)-0.26datasheetSource
NOCT (C)44est.No link
Power tolerance (%)3datasheetSource
Durability (verified)
Verified reliabilityTop Performer (multi-year)3rd partySource
Positive loading (MQT16, Pa)5400datasheetSource
Negative loading (MQT16, Pa)2400datasheetSource
PID (IEC TS 62804)Not addressedstatedSource
Salt mist (IEC 61701)Not Listednot foundNo link
Hail resistanceIEC 61215 standard (25mm)derivedNo link
Ammonia resistance (IEC 62716)Not listedderivedNo link
Damp heat extended (2000h)1000h IEC 61215 standardderivedNo link

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/longi-hi-mo-x10-explorer-lr7-54hvh-490m

Page 3 · Audit sheet: complete sourced record (2 of 2)

Hi-MO X10 Explorer 54HVH · continued from page 2 · Solar Analytica rubric Solar Analytica panel rubric v2.9.0.

Performance & Degradation
Guaranteed end-of-warranty output (%)88.85datasheetSource
First-year degradation (%)1.0datasheetSource
Annual degradation (%/yr)0.35datasheetSource
Performance guarantee period (yrs)30datasheetSource
Guarantee & Backbone
Guarantee period (yrs)15datasheetSource
Guarantee assuranceParts onlydatasheetNo link
Warranty transferabilityNot transferable / not disclosedest.No link
Financial strength & warranty backingStable / listedsecondarySource
Manufacturing track record15+ years, field-provensecondarySource
Sustainability
Carbon footprint / EPDEPD published (intensity disclosed, not low-carbon certified)datasheetSource
End-of-life & recycling disclosureTake-back or recycling program publishedstatedSource

review.solar · audit sheet · Solar Analytica panel rubric v2.9.0 · https://review.solar/cards/longi-hi-mo-x10-explorer-lr7-54hvh-490m