review.solar · Sourced values document
Home Storage
3.28–16.4 kWh · LFP · DC-coupled
SMA
Performance & Value
Released 2023 · Evidence checked 2026-08-02 · Scored to Solar Analytica battery rubric v2.9.0
68/100
Very good
Overall
Score by category
Capacity & Usability
90
Power & Efficiency
62
Longevity (verified)
60
Safety & Chemistry
75
Guarantee & Backbone
69
Energy Ecosystem
57
Sourced specification values
Published capacity range3.28–16.4 kWh
Scored configuration16.4 kWh
Cell chemistryLFP (LiFePO4)
Usable capacity16.4 kWh
Usable energy / DoD100% DoD
Round-trip efficiency94.5%
Warranty period10 yr
Safety certificationUL9540 / IEC62619
Manufacturing track record15+ years, field-proven

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

Home Storage · 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 +1
Battery generation compatibilitySame-generation expansion only: matching spec modules required; clean path butdatasheetSource +1
Power & Efficiency
Round-trip efficiency (%)94.5datasheetSource
Operating temperature rangeStandarddatasheetSource
Longevity (verified)
Warranty throughput2.5-5 MWh warranted per kWh usabledatasheetSource
Warranty period (yrs)10datasheetSource
End-of-warranty retained capacity (%)70datasheetSource
Warranty degradation guaranteeEnd-point only: minimum capacity at end of warranty termdatasheetSource
Safety & Chemistry
Cell chemistryLFP (LiFePO4)datasheetSource
Safety certificationUL9540 / IEC62619datasheetSource
Thermal & fire mitigationBasicnot foundSource +1
AC terminal & connection protectionNot specifieddatasheetSource
Ingress protection (outdoor)IP65+ / IP66 outdoor-rateddatasheetSource
Cell provenance & traceabilityUndisclosednot foundSource +1
Guarantee & Backbone
Warranty assuranceParts onlydatasheetSource
Financial strength & warranty backingStable / listeddatasheetSource +2
Manufacturing track record15+ years, field-provendatasheetSource +1
Energy Ecosystem
Grid-forming & backup tierWhole-home backup via paired hybrid inverter (capability is inverter-dependentdatasheetSource
Open protocol & API maturityProprietary / no documented APIdatasheetSource
VPP & grid services readinessVPP-capable (protocol ready, no confirmed live program)datasheetSource +1
EV charging integrationSmart V1G EV charging: solar surplus tracking, charge-only (OCPP 1.6/2.0.1 or datasheetSource +1
Smart home & IoT depthNo local smart home integrationnot foundSource
Dual-port flexibilityStandard single-mode integration: grid-tied + backup via one path, no independdatasheetSource
Firmware & security disclosureVulnerability disclosure policy + firmware/security documentation publisheddatasheetSource +2

review.solar · audit sheet · Solar Analytica battery rubric v2.9.0 · https://review.solar/cards/sma-home-storage-au