review.solar · Sourced values document
Smile G3 S5 BAT-9.3S
9.3–37.2 kWh · LFP · DC-coupled
AlphaESS
Performance & Value
Released 2025 · Evidence checked 2026-07-16 · Scored to Solar Analytica battery rubric v2.9.0
62/100
Good
Overall
Score by category
Capacity & Usability
88
Power & Efficiency
69
Longevity (verified)
60
Safety & Chemistry
69
Guarantee & Backbone
43
Energy Ecosystem
45
Sourced specification values
Published capacity range9.3–37.2 kWh
Scored configuration9.3 kWh
Cell chemistryLFP (LiFePO4)
Usable capacity9.3 kWh
Usable energy / DoD100% DoD
Continuous power output5 kW
Warranty period10 yr
Safety certificationBasic cert

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

Smile G3 S5 BAT-9.3S · 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 / stackable expandabledatasheetSource
Power & Efficiency
Continuous power output (kW)5datasheetSource
Operating temperature rangeWide (-20 to 50C+), heat-optimiseddatasheetSource
Backup surge / motor-start capabilityPeak/surge rating published with durationstatedSource
Longevity (verified)
Warranty throughput2.5-5 MWh warranted per kWh usablestatedSource
Warranty period (yrs)10datasheetSource
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 certificationBasic certstatedSource
Thermal & fire mitigationBasicdatasheetSource
Ingress protection (outdoor)IP65+ / IP66 outdoor-rateddatasheetSource
Cell provenance & traceabilityUndiscloseddatasheetSource
Guarantee & Backbone
Warranty assuranceParts onlystatedSource
Energy Ecosystem
VPP & grid services readinessVPP-capable (protocol ready, no confirmed live program)datasheetSource
Firmware & security disclosureFirmware updates referenced; no security documentationstatedSource

review.solar · audit sheet · Solar Analytica battery rubric v2.9.0 · https://review.solar/cards/alphaess-smile-g3-s5-bat-9-3s-au