review.solar · Sourced values document
WallMount 314Ah
12.86 kWh · LFP · DC-coupled
EG4
Performance & Value
Released 2026 · Evidence checked 2026-08-05 · Scored to Solar Analytica battery rubric v2.9.0
71/100
Very good
Overall
Score by category
Capacity & Usability
67
Power & Efficiency
83
Longevity (verified)
74
Safety & Chemistry
81
Guarantee & Backbone
58
Energy Ecosystem
58
Sourced specification values
Published capacity range12.86 kWh
Scored configuration12.86 kWh
Cell chemistryLFP (LiFePO4)
Usable energy / DoD80% DoD
Continuous power output10.2 kW
Round-trip efficiency95%
Cycle life10000 cycles
Warranty period10 yr
Safety certificationUL9540 / IEC62619
Reliability testingNot independently tested
Manufacturing track record4-10 years (or new brand, strong parent heritage)

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 (1 of 2)

WallMount 314Ah · 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 and the next page are the full record for verification and right of reply.

Capacity & Usability
Usable energy / DoD (%)80statedSource
Modularity & scalabilityFully modular / stackable expandabledatasheetSource
Energy density / footprintAveragestatedSource
Battery generation compatibilitySame-generation expansion only: matching spec modules required; clean path butdatasheetSource +1
Power & Efficiency
Round-trip efficiency (%)95datasheetSource
Continuous power output (kW)10.2datasheetSource
Backup switching speed>100ms or switching speed not disclosedreviewed absenceSource
Operating temperature rangeWide (-20 to 50C+), heat-optimiseddatasheetSource
Longevity (verified)
Cycle life (cycles to 70%)10000datasheetSource
Warranty throughput>=5 MWh warranted per kWh usable (or >=5000-cycle equivalent)datasheetSource +1
Warranty period (yrs)10datasheetSource +1
End-of-warranty retained capacity (%)0reviewed absenceSource
Verified reliabilityNot independently testedreviewed absenceSource
Cell balancing architectureActive cell-level balancing (energy recirculation)datasheetSource
Warranty degradation guaranteeWarranty degradation terms not specifieddatasheetSource +1

review.solar · audit sheet · Solar Analytica battery rubric v2.9.0 · https://review.solar/cards/eg4-electronics-wallmount-314ah-all-weather-us

Page 3 · Audit sheet: complete sourced record (2 of 2)

WallMount 314Ah · continued from page 2 · Solar Analytica rubric Solar Analytica battery rubric v2.9.0.

Safety & Chemistry
Cell chemistryLFP (LiFePO4)datasheetSource
Safety certificationUL9540 / IEC62619datasheetSource +1
Thermal & fire mitigationPassive thermal mgmtdatasheetSource
AC terminal & connection protectionStandard terminal protection, no active monitoringdatasheetSource +1
Ingress protection (outdoor)IP65+ / IP66 outdoor-rateddatasheetSource
Guarantee & Backbone
Warranty assuranceParts onlydatasheetSource +1
Financial strength & warranty backingStable / listedsecondarySource
Manufacturing track record4-10 years (or new brand, strong parent heritage)secondarySource
Energy Ecosystem
Grid-forming & backup tierWhole-home backup via paired hybrid inverter (capability is inverter-dependentdatasheetSource +1
Open protocol & API maturityCloud API onlydatasheetSource +1
VPP & grid services readinessVPP-capable + live VPP program (named market)datasheetSource +1
EV charging integrationBasic EV charger scheduling (timer / relay)secondarySource
Thermal load managementTimer-based thermal load scheduling onlysecondarySource
Smart home & IoT depthCommunity integration (Home Assistant, no native support)datasheetSource +1
Dual-port flexibilityStandard single-mode integration: grid-tied + backup via one path, no independdatasheetSource

review.solar · audit sheet · Solar Analytica battery rubric v2.9.0 · https://review.solar/cards/eg4-electronics-wallmount-314ah-all-weather-us