review.solar · Sourced values document
Reserva
6.31–15.79 kWh · LFP · DC-coupled
Fronius
Performance & Value
Released 2025 · Evidence checked 2026-07-31 · Scored to Solar Analytica battery rubric v2.9.0
67/100
Very good
Overall
Score by category
Capacity & Usability
91
Power & Efficiency
86
Longevity (verified)
60
Safety & Chemistry
71
Guarantee & Backbone
58
Energy Ecosystem
44
Sourced specification values
Published capacity range6.31–15.79 kWh
Scored configuration6.31 kWh
Cell chemistryLFP (LiFePO4)
Usable capacity6.31 kWh
Usable energy / DoD100% DoD
Continuous power output6.55 kW
Round-trip efficiency95%
Warranty period10 yr
Safety certificationUL9540 / IEC62619

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

Reserva · every criterion scored by the live rubric (Solar Analytica battery 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.

Capacity & Usability
Usable energy / DoD (%)100datasheetSource
Modularity & scalabilityFully modular, ≤5 kWh increments, expandable in fielddatasheetSource
Power & Efficiency
Round-trip efficiency (%)95datasheetSource
Continuous power output (kW)6.55datasheetSource
Operating temperature rangeWide (-20 to 50C+), heat-optimiseddatasheetSource
Longevity (verified)
Warranty throughput2.5-5 MWh warranted per kWh usablestatedSource
Warranty period (yrs)10statedSource
End-of-warranty retained capacity (%)70statedSource
Warranty degradation guaranteeEnd-point only: minimum capacity at end of warranty termstatedSource
Safety & Chemistry
Cell chemistryLFP (LiFePO4)datasheetSource
Safety certificationUL9540 / IEC62619datasheetSource
Ingress protection (outdoor)IP65+ / IP66 outdoor-rateddatasheetSource
Guarantee & Backbone
Warranty assuranceParts, labour & transferablestatedSource
Energy Ecosystem
Grid-forming & backup tierWhole-home backup via paired hybrid inverter (capability is inverter-dependentdatasheetSource

review.solar · audit sheet · Solar Analytica battery rubric v2.9.0 · https://review.solar/cards/fronius-reserva-au