review.solar · Sourced values document
Lake 6
2.5 kW
APsystems
Plug-in ESS
Released 2026 · Evidence checked 2026-08-01 · Scored to Solar Analytica plug-in ESS rubric v1.2.0
49/100
Average
Overall
Score by category
Capacity & Usability
49
Output Power
41
Longevity (verified)
40
Safety & Chemistry
52
Guarantee & Backbone
74
Connectivity & Ecosystem
46
Sourced specification values
Published power range2.5 kW
Scored benchmark2.5 kW
Safety certificationCertifications not listed
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

Lake 6 · every criterion scored by the live rubric (Solar Analytica plug-in ESS rubric v1.2.0), 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
Energy density / footprintCompact high-density (integrated)datasheetSource
Output Power
Operating temperature rangeNot stateddatasheetSource
Longevity (verified)
Cell balancing architecturePack-level only / not disclosedreviewed absenceSource
Warranty degradation guaranteeWarranty degradation terms not specifiedreviewed absenceSource
Safety & Chemistry
Safety certificationCertifications not listedreviewed absenceSource
Thermal & fire mitigationNot specifieddatasheetSource
Self-heating capabilityActive self-heating confirmed, -20°C operationdatasheetSource
Ingress protection (outdoor)IP65+ outdoor-rateddatasheetSource
Guarantee & Backbone
Financial strength & warranty backingFinancially strong (profitable / strong parent)datasheetSource +1
Manufacturing track record15+ years, field-provendatasheetSource +1
Connectivity & Ecosystem
VPP & grid services readinessVPP-capable, protocol readydatasheetSource
Smart home & IoT depthNo documented smart home integrationreviewed absenceSource

review.solar · audit sheet · Solar Analytica plug-in ESS rubric v1.2.0 · https://review.solar/cards/apsystems-apsystems-lake-6