Felicity Solar 40.96 kWh High-Voltage LiFePO4 Battery System for C&I Storage

The Felicity Solar 40.96kWh High-Voltage LiFePO4 Battery System is a rack-mounted energy storage solution for commercial solar PV projects, professional battery installations and C&I storage applications. Built with 8 x 5.12kWh LiFePO4 battery modules, the system provides 40.96kWh nominal energy, 409.6V nominal voltage and a 384–460.8V operating voltage range.

Designed for professional solar installers, electricians, EPCs, solar wholesalers and solar distributors in Europe, this Felicity Solar high-voltage battery system features LiFePO4 chemistry, integrated battery protection, CAN/RS485 communication, IP21 enclosure rating, rack-mounted installation, >6000 cycle life and a 10-year warranty for installer-ready commercial energy storage projects.

SKU: FELICITY-FLH48100UMG1-G2-40.96KWH-SYS

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Product description

Felicity Solar 40.96 kWh High-Voltage Battery System for Professional Energy Storage

Easy to install. 1 Rack cabinet, 1 BMS, 8 battery modules. Easy as 1,2,3.
Felicity Solar batteries product range banner for home and small commercial energy storage systems, solar battery backup and professional PV installers in Europe

The Felicity Solar 40.96kWh High-Voltage LiFePO4 Battery System for C&I Storage is designed for professional solar energy storage projects where installers need a compact, high-voltage and rack-mounted battery system with clear technical specifications.

This configuration belongs to the Felicity Solar FLH Series and uses 8 battery modules to deliver 40.96kWh nominal system energy. With a 409.6V nominal system voltage and 384–460.8V operating voltage range, it is suitable for compatible high-voltage hybrid inverter systems used in commercial, large residential and light industrial PV storage applications.

For solar installers and electricians, this system offers a practical balance between capacity, voltage range, serviceability and installation structure, making it suitable for commercial self-consumption, backup power and professional PV battery projects.

40.96kWh Rack-Mounted LiFePO4 Storage for C&I Projects

Each Felicity Solar FLH battery module provides 5.12kWh nominal energy, 51.2V nominal voltage and 100Ah nominal capacity. In the 8-module configuration, the total system capacity reaches 40.96kWh, making it a strong option for small and medium commercial energy storage systems.

This battery system is well suited for:

Commercial solar energy storage
C&I self-consumption projects
Large residential battery systems
Backup power applications
Hybrid inverter storage systems
Small industrial PV battery projects
Solar installer complete kits
EPC energy storage procurement
Solar wholesaler and distributor supply

High-Voltage Architecture for Compatible Hybrid Inverter Systems

Unlike standard 48V low-voltage battery systems, this Felicity Solar configuration is designed as a high-voltage battery system. The 40.96kWh version operates at 384–460.8V, helping installers match the system with compatible high-voltage hybrid inverters for higher-capacity solar battery projects.

Before installation, professional solar installers should always confirm compatibility with the selected inverter, current Felicity Solar documentation, local electrical rules and project-specific design requirements.

LiFePO4 Battery Chemistry for Long Service Life

The system uses LiFePO4 battery chemistry, also known as lithium iron phosphate. This chemistry is widely used in professional solar battery systems because it provides stable performance, long cycle life and reliable daily charge/discharge operation.

According to the Felicity Solar FLH Series datasheet, the system is rated for more than 6000 cycles and includes a 10-year warranty, making it suitable for long-term commercial solar energy storage and professional PV installations.

Rack-Mounted Installation for Professional Battery Rooms

The Felicity Solar 40.96kWh high-voltage battery system is designed for rack-mounted installation. This format helps installers create a clean, organized and serviceable battery layout in technical rooms, commercial electrical areas and protected indoor energy storage spaces.

The rack structure supports professional installation by keeping the control module, battery modules, wiring and communication connections in a structured system layout. This is especially important for electricians and EPCs working on commercial energy storage projects where access, cable routing and serviceability matter.

Integrated BMS, Protection and Communication

The Felicity Solar FLH Series includes built-in battery protection and system communication features. The datasheet confirms built-in smart BMS and breaker protection, with RS485/CAN communication for connection to compatible inverter systems.

The user and installation guide also shows professional installation details, including wiring procedures, grounding, terminal connection, communication port description and DIP switch configuration for different battery pack quantities.

This makes the system suitable for trained installers who need a structured high-voltage battery system for professional solar PV storage projects.  You need assistance? Contact us

Technical Specifications

SpecificationValue
BrandFelicity Solar
SeriesFLH Series
Product typeHigh-voltage LiFePO4 battery system
ApplicationCommercial and C&I solar energy storage
System nominal energy40.96kWh
Battery chemistryLiFePO4
Number of battery modules8
Battery module nominal energy5.12kWh
Battery module nominal voltage51.2V
Battery module nominal capacity100Ah
System nominal voltage409.6V
System operating voltage384–460.8V
Recommended charge/discharge current50A
Max continuous charge/discharge current100A
Peak charge/discharge current120A / 15s
Depth of discharge≥95%
Display typeLED + LCD touch
Enclosure ratingIP21
InstallationRack mounting
ProtectionBuilt-in smart BMS, breaker
CommunicationRS485 / CAN
Cycle life>6000 cycles
Warranty10 years
CertificationsUN38.3, CB, CE-EMC, IEC 62619, EN IEC 62040-1

Specifications are based on the uploaded Felicity Solar FLH Series datasheet.


Recommended Applications

The Felicity Solar 40.96kWh high-voltage battery system is recommended for professional projects where a scalable commercial energy storage solution is required.

Typical applications include:

Commercial solar PV battery storage
C&I self-consumption systems
Backup power and energy security projects
Hybrid inverter battery storage
Large residential energy storage
Small business PV storage systems
EPC-led solar battery projects
Electrical contractor storage installations
Solar distributor and solar wholesaler project supply
Installer-ready complete kits


Installer and Electrician Benefits

FeatureBenefit for professional buyers
40.96kWh nominal energySuitable for commercial and higher-capacity solar storage projects
High-voltage battery architectureDesigned for compatible high-voltage hybrid inverter systems
8-module configurationPractical C&I capacity using 5.12kWh battery modules
Rack-mounted formatClean installation, structured wiring and better service access
LiFePO4 chemistryLong cycle life and stable energy storage performance
CAN / RS485 communicationSupports inverter communication and system monitoring
LED + LCD touch displayEasier local status checking and configuration
IP21 enclosureSuitable for protected indoor installation spaces
10-year warrantySupports professional project confidence and B2B procurement

Important Installation Notes

This is a high-voltage battery system and must be installed only by qualified solar installers, electricians or trained professionals. The installation guide includes safety instructions, transport requirements, wiring procedure, grounding connection, communication setup, DIP switch settings, LCD display information, fault code handling and maintenance guidance.

Before ordering or installing, confirm:

Compatible inverter model
Battery system configuration
Indoor installation conditions
Cable and breaker requirements
Grounding requirements
CAN/RS485 communication setup
Local electrical standards
Commissioning procedure
Latest Felicity Solar installation documentation


B2B Solar Battery Supply from 3Buy Solar

3Buy Solar supplies solar batteries, energy storage systems, solar inverters, battery accessories and complete kits for professional solar installers, electricians, EPCs, solar wholesalers, solar distributors and resellers across Europe.

The Felicity Solar 40.96kWh High-Voltage LiFePO4 Battery System is a strong choice for B2B buyers who need a commercial energy storage solution with high-voltage system architecture, rack mounting, CAN/RS485 communication, LiFePO4 chemistry and professional installer-ready procurement.

Order this Felicity Solar high-voltage battery system from 3Buy Solar for commercial solar energy storage, C&I battery projects and European solar PV supply.

Product Datasheet and Downloads

  • Datasheet Felicity FLH48100UMG1/G2  EN

  • Datenblatt Felicity FLH48100UMG1/G2 DE

  • Product Catalog Felicity Solar

  • Fisa Technica Felicity FLH48100UMG1/G2 RO

  • Adatlap Felicity FLH48100UMG1/G2 HU

  • Ficha Tecnica Felicity FLH48100UMG1/G2 ES

  • Scheda Tecnica Felicity FLH48100UMG1/G2 IT

  • Manufacturer Warranty FLH48100UMG1/G2 Series ESS Batteries

FAQ regarding Felicity Solar 40.96kWh ESS

The Felicity Solar 40.96kWh High-Voltage Battery System is used for commercial solar energy storage, C&I PV systems, large residential battery projects, backup power applications and compatible high-voltage hybrid inverter systems. Watch our solar trainings and webinars or visit you 3Buy Youtube Channel. … or alternatively you can browse for our latest articles regarding renewable and energy efficient heating and cooling in our Solar Distributor Blog.

Have you checked all our products? Go to our Solar PV and Energy Storage Shop | 3Buy Installer-Grade & DIY EU

According to the Felicity Solar FLH Series datasheet, the 40.96kWh configuration is based on 8 battery modules. Each module has 5.12kWh nominal energy, 51.2V nominal voltage and 100Ah nominal capacity.

The 40.96kWh system has a 409.6V nominal system voltage and a 384–460.8V operating voltage range, according to the Felicity Solar datasheet.

Yes. This system is designed for professional energy storage projects and should be installed by qualified solar installers, electricians or trained technicians. The installation guide includes wiring, grounding, communication and configuration instructions for professional installation.

Specification

Manufacturer

BrandFelicity Solar

Technical Specifications

Weight416 kg
Dimensions1565.5 × 565 × 131 mm
ManufacturerFelicity Solar
BrandFelicity Solar
Product CategoryBatteries, Battery Sets
Nominal Voltage [V]The nominal voltage is defined as the voltage value assigned to an electric circuit or system to designate its voltage class. In simple words, the voltage level of an electrical power system is called the nominal voltage of the system.409.6V
Battery Voltage Range [V]Indicates the allowable DC voltage window in which the solar battery or energy storage system operates safely. Ensure compatibility with the selected solar inverter and hybrid inverter input voltage range.384 V – 460.8 V
Nominal Capacity [kWh]Nominal capacity (in kWh) typically refers to the rated energy storage or output capacity of a system, such as a battery, energy storage system, or electric vehicle battery. It indicates the amount of energy that the system can store or deliver under normal operating conditions.40.96 kWh
Nominal Current [A]Nominal current is essentially the normal electrical current that we would expect to flow through a circuit at any given time.50 A
Max. Charge & Discharge Current [A]The maximum charge and discharge current refers to the highest current a battery or energy storage system can handle safely during charging and discharging processes. It is an important parameter that helps ensure the battery operates within safe limits and prevents damage, overheating, or other safety hazards.100 A
Battery TypeLithium Iron Phosphate (LiFePO4) – LFPLithium Iron Phosphate (LiFePO4) batteries are one of the most reliable and safest energy storage solutions for solar systems. Known for their long lifespan, high efficiency, and superior safety, these batteries are a top choice for residential, commercial, and off-grid solar storage., Low Voltage48 V battery solution for residential, off-grid, and small PV storage.
CommunicationSpecifies how the device communicates with other systems or networks—options include RS485, CAN, LAN, Wi-Fi, 4G, and Optical for data exchange and remote monitoring.CAN, RS485
Protection Rating [IP]IP (or \"Ingress Protection\") ratings are defined in international standard EN 60529 (British BS EN 60529:1992, European IEC 60509:1989). They are used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies (tools, dirt etc) and moisture.IP21
WarrantyNormally covers, manufacturing defects, durability issues, or equipment failure. The warranty typically covers the cost of replacing the faulty or damaged panel with a new working one. Please refer to the Warranty Documents of the product on the Manufacturer s webpage.10 Years

The information on this page is a general summary. For exact specifications, safety instructions, and compliance details, please refer to the product datasheet or the manufacturer’s website. Always follow applicable regulations and consult a licensed installer. For further assistance, contact 3Buy Solar.

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Felicity Solar logo for a professional solar battery, solar inverter and energy storage manufacturer used by PV installers, resellers and solar distributors in Europe

Felicity Solar is a smart solar energy brand specializing in LiFePO4 battery storage, hybrid inverters, off-grid power systems and complete solar energy solutions for residential and commercial PV projects. The brand focuses on practical solar technology where solar panels, solar inverter systems, solar battery storage, BMS control and backup power work together to improve self-consumption, energy independence and long-term savings.

The Felicity Solar portfolio includes solar batteries, energy storage systems, BMS units, hybrid inverters, off-grid inverters and installation accessories for professional solar installers, electricians, EPC contractors, solar PV suppliers, solar distributors and solar wholesalers in Europe.

Felicity Solar solutions are suitable for home energy storage, backup power, off-grid systems, commercial PV projects and complete kits, giving installers a flexible product range for building reliable and scalable solar battery systems.

More about Felicity Solar on the official manufacturer page.

“Felicity Solar is a practical choice for solar installers and electricians who need reliable LiFePO4 battery storage, BMS components and complete solar energy storage solutions. The product range supports residential and light commercial PV systems where self-consumption, backup power and scalable battery capacity are important.”

— Verified Installer

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