| Published power range | 2.5 kW |
| Scored benchmark | 2.5 kW |
| Cell chemistry | LFP (LiFePO4) |
| Usable energy / DoD | 100% DoD |
| Safety certification | Certifications not listed |
| Manufacturing track record | 15+ years, field-proven |
Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.
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 | |||
| Usable energy / DoD (%) | 100 | stated | No link |
| Modularity & scalability | Partially expandable | stated | No link |
| Energy density / footprint | Compact high-density (integrated) | stated | No link |
| Output Power | |||
| Grid-injection power (kW) | 2.5 | stated | No link |
| Operating temperature range | Not stated | stated | No link |
| Longevity (verified) | |||
| Cell balancing architecture | Pack-level only / not disclosed | stated | No link |
| Warranty degradation guarantee | Warranty degradation terms not specified | stated | No link |
| Safety & Chemistry | |||
| Cell chemistry | LFP (LiFePO4) | est. | Source |
| Safety certification | Certifications not listed | stated | No link |
| Thermal & fire mitigation | Not specified | stated | No link |
| Self-heating capability | Active self-heating confirmed, -20°C operation | stated | No link |
| Ingress protection (outdoor) | IP65+ outdoor-rated | stated | No link |
| Guarantee & Backbone | |||
| Financial strength & warranty backing | Financially strong (profitable / strong parent) | stated | No link |
| Manufacturing track record | 15+ years, field-proven | stated | No link |
| Connectivity & Ecosystem | |||
| Open protocol & API maturity | Cloud API only | stated | No link |
| VPP & grid services readiness | VPP-capable, protocol ready | stated | No link |
| Smart home & IoT depth | No documented smart home integration | stated | No link |
review.solar · audit sheet · Solar Analytica plug-in ESS rubric v1.2.0 · https://review.solar/cards/apsystems-apsystems-lake-6