Energidea
FelicityESS FelicityESS FLM500-125/261

FelicityESS

Series: C&I ESS Cabinet

FelicityESS FLM500-125/261

Three-phase integrated bess inverter all-in-one system with 248.14 kWh LFP battery

Partially verified

Best for

  • + Commercial & industrial installations
  • + Three-phase installations
  • + Medium commercial & industrial (50-200 kWp)
  • + Projects requiring long warranty coverage
  • + LFP battery applications - verify cycle life from datasheet

Not ideal for

  • ! Typical single-family residential - consider residential product line
  • ! Single-phase installations (unless manufacturer confirms support)
  • ! Small commercial applications (< 30 kWp) - consider smaller product
  • ! Backup/battery-backup projects (no EPS functionality)
  • ! Projects requiring future expansion - AIO unit does not support parallel expansion

In the C&I ESS Cabinet series

This is the 248.14 kWh variant.

Compared to other models

  • - 28% larger capacity than FelicityESS FLS-MES215AF-S
  • - Maximum capacity option in this series.

Ideal for

Ideal for projects that prioritize maximum stored energy in the series while keeping 125 kW as the design reference.

Key Specifications

Rated Output Power

125 kW

Vendor

Usable Capacity

248.14 kWh

Vendor
Show All Specifications

Core Electrical

AC Rated Power125 kWVendor
AC Voltage400Vendor
Energy (Nominal)261.2 kWhVendor
Energy (Usable)248.14 kWhVendor
C-rate (continuous)0.5 CVendor
Peak Power125 kWVendor
Battery ChemistryLFPVendor
DC Voltage Range-Vendor
System Round-trip Efficiency87 %Vendor
Noise75 dB(A)Vendor

EMS & Communication

EMS IncludedtrueVendor
ProtocolsModbus TCP, Modbus RTU, Ethernet, RS485Vendor
EMS FunctionsRemote monitoring via Fsolar APP, schedulingVendor
Remote MaintenancetrueVendor
Fault DiagnosistrueVendor
Grid Support Functions DetailPeak shaving, frequency regulation, off-grid backupVendor
Data Logging Interval-
Response Time20 msVendor

Environment & Mechanical

Thermal ManagementLiquidVendor
Fire SuppressionPerfluoroacetone, AerosolVendor
DetectorsSmoke, temperature, immersion sensorsVendor
Maintenance AccessFrontVendor
Pressure RelieftrueVendor
Thermal Runaway MitigationtrueVendor
Lifting PointstrueVendor
Service Interval-
IP RatingIP55Vendor
Corrosion RatingC4Vendor
Operating Temp Range-20 ~ 50Vendor
Dimensions (W x H x D)-Vendor
Weight-Vendor

Compliance & Warranty

Certifications-
Battery Certifications-
System Certifications-
LVRT/HVRT-
Warranty Throughput / Cycles-

Data Confidence & Verification

Partially verified

Data Sources

  • + Official datasheet - verified 2026-04-21
  • - Installation Manual - not available
  • - Certificate - not available

Data gaps that may affect your decision

  • ! Outdoor temperature range not specified - confirm outdoor suitability.
  • ! IP rating not documented - confirm installation location suitability.

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Compliance & Certifications

No compliance data available for this product.

Certifications

-

Documents & Downloads

DATASHEET PDF

  • FelicityESS FLM500-125/261 DatasheetDownload
Compatible Products - coming in Phase 3

Product data is sourced from manufacturers, official websites, and community contributions. Energidea does not guarantee completeness or accuracy. Installers should verify specifications, certifications, and compatibility with manufacturer documentation before quotation.

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Typowa konfiguracja systemu

Peak Shaving

Industrial and commercial sites seeking to reduce peak demand charges

Typ sieci: 3P+N+PE

Odpowiednie dla: Factories, office buildings

Glowne komponenty

PCS, BMS, Battery, EMS

Zastrzezenie: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

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