Felicity Solar 61.44kWh High-Voltage LiFePO4 Battery System for Commercial Energy Storage

The Felicity Solar 61.44kWh High-Voltage LiFePO4 Battery System is a rack-mounted commercial energy storage solution for professional solar PV projects. Built with 12 x 5.12kWh LiFePO4 battery modules, the system delivers 61.44kWh nominal energy, 614.4V nominal voltage and a high-voltage operating range of 576–691.2V.

Designed for solar installers, electricians, EPCs, solar wholesalers and solar distributors in Europe, this Felicity Solar battery system is suitable for commercial solar storage, self-consumption projects, backup power applications and complete energy storage kits where high-voltage performance and professional rack installation are required. The datasheet confirms RS485/CAN communication, IP21 protection, rack mounting, built-in smart BMS and breaker protection, ≥6000 cycles and a 10-year warranty.

SKU: FELICITY-FLH48100UMG1-G2-61.44KWH-SYS

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Product description

Felicity Solar 61.44kWh High-Voltage Battery System for Professional Energy Storage

Easy to install. 1 Rack cabinet, 1 BMS, 12 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 61.44kWh High-Voltage LiFePO4 Battery System is designed for larger residential, commercial and light industrial solar energy storage projects where installers need a scalable high-voltage battery rack with clear technical specifications and professional system integration.

This system is part of the Felicity Solar FLH Series, a rack-mounted LiFePO4 battery platform developed for high-voltage energy storage applications. In the 61.44kWh configuration, the system uses 12 battery modules, creating a high-voltage battery stack with 614.4V nominal voltage and an operating voltage range of 576–691.2V. For professional solar installers and electricians, this makes the system suitable for projects where compact rack-based storage, clean wiring, integrated battery protection and inverter communication are required.

High-Voltage LiFePO4 Battery Rack with 61.44kWh Nominal Energy

The system is based on Felicity Solar FLH48100UMG1 battery modules, each with 5.12kWh nominal energy, 51.2V nominal voltage and 100Ah nominal capacity. In the 12-module configuration, the system reaches 61.44kWh nominal energy, making it suitable for higher-capacity solar battery storage projects.

This capacity level is especially relevant for:

Residential villas with high electricity consumption
Commercial self-consumption PV systems
Backup power systems
Hybrid inverter energy storage projects
Small industrial battery storage installations
EPC-led solar PV projects
Installer-ready complete kits
B2B solar battery procurement

Built with LiFePO4 Chemistry for Long Cycle Life

The Felicity Solar 61.44kWh system uses LiFePO4 battery chemistry, also known as lithium iron phosphate. This chemistry is widely used in professional solar energy storage because it offers strong thermal stability, long service life and reliable charge/discharge performance.

According to the datasheet, the system is rated for more than 6000 cycles and includes a 10-year warranty, making it suitable for long-term solar PV energy storage applications where daily cycling and dependable performance are important.

Rack-Mounted Design for Professional Installation

The Felicity Solar high-voltage battery system uses a rack-mounted installation format, helping installers build a clean, modular and serviceable energy storage layout. The datasheet shows the system with a control module, multiple battery modules and a dedicated rack structure.

For electricians and solar installers, a rack-mounted battery system can simplify:

Battery module organization
Wiring and communication layout
Service access
Project handover appearance
System expansion planning
Technical-room installation design

The system is intended for indoor or protected installation environments, with an IP21 enclosure rating according to the datasheet.

Integrated Protection and Battery Management

The Felicity Solar FLH Series includes built-in protection features for professional energy storage applications. The datasheet and installation guide reference protection against over-voltage, over-current, short circuit, reverse polarity or grounding fault and over-temperature conditions. The system also includes built-in smart BMS and breaker protection.

For installers, this is important because high-voltage battery systems must be selected and installed with proper protection, communication and commissioning procedures. The system is designed for professional installation only and should be installed in line with Felicity Solar documentation and local electrical standards.

CAN and RS485 Communication for Inverter Integration

The Felicity Solar 61.44kWh high-voltage battery system supports RS485 and CAN communication, which are commonly required for communication between the battery system and compatible hybrid inverters.

The installation guide also shows system wiring, communication connections and DIP switch configuration for different numbers of battery packs, confirming that the system is designed for structured commissioning by trained installers.

Before installation, always confirm compatibility with the selected hybrid inverter, current Felicity Solar compatibility lists and local grid or electrical regulations.  You need assistance? Contact us

Technical Specifications

Specification Value
Brand Felicity Solar
Series FLH Series
Product type High-voltage LiFePO4 battery system
System nominal energy 61.44kWh
Battery chemistry LiFePO4
Number of battery modules 12
Battery module nominal energy 5.12kWh
Battery module nominal voltage 51.2V
Battery module nominal capacity 100Ah
System nominal voltage 614.4V
System operating voltage 576–691.2V
Recommended charge/discharge current 50A
Max continuous charge/discharge current 100A
Peak charge/discharge current 120A / 15s
Depth of discharge ≥95%
Display type LED + LCD touch
Enclosure rating IP21
Installation Rack mounting
Protection Built-in smart BMS, breaker
Communication RS485 / CAN
Cycle life >6000 cycles
Warranty 10 years
Certifications UN38.3, 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 61.44kWh high-voltage battery system is suitable for professional solar energy storage projects where a higher storage capacity and high-voltage system architecture are required.

Recommended applications include:

Commercial solar energy storage systems
Large residential solar battery installations
Hybrid inverter battery storage systems
Solar self-consumption projects
Backup power systems
EPC battery storage projects
PV complete kits for professional installers
Electrical contractor energy storage installations
Solar wholesaler and solar distributor project supply

Installer and Electrician Benefits

Feature Benefit for professional installers
61.44kWh system capacity Suitable for larger solar battery and commercial storage projects
High-voltage design Designed for compatible high-voltage hybrid inverter systems
Rack-mounted structure Clean installation, organized wiring and professional appearance
LiFePO4 chemistry Long cycle life and stable battery performance
CAN / RS485 communication Supports inverter communication and system monitoring
LCD touch display Easier local configuration and system status checking
IP21 enclosure Suitable for protected indoor installation areas
10-year warranty Supports long-term 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 warnings, transport requirements, installation procedures, wiring instructions, grounding notes, communication setup, DIP switch configuration and maintenance instructions.

Before ordering or installing, confirm:

Compatible inverter model
Battery system configuration
Indoor installation conditions
Local electrical regulations
Required safety clearances
Cable, breaker and protection requirements
Commissioning procedure
Latest Felicity Solar documentation

B2B Solar Battery Supply from 3Buy Solar

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

The Felicity Solar 61.44kWh High-Voltage LiFePO4 Battery System is a strong choice for B2B buyers looking for a high-capacity solar battery system with rack mounting, CAN/RS485 communication, LiFePO4 chemistry and professional energy storage integration.

Order this Felicity Solar high-voltage battery system from 3Buy Solar for installer-ready energy storage procurement, solar PV project supply and commercial battery storage applications in Europe.

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 61.44kWh ESS

The Felicity Solar 61.44kWh High-Voltage Battery System is used for larger solar energy storage projects, including commercial PV systems, high-consumption residential installations, backup power applications and hybrid inverter battery storage 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 61.44kWh configuration is based on 12 battery modules. Each module has 5.12kWh nominal energy, 51.2V nominal voltage and 100Ah nominal capacity.

The 61.44kWh system has a 614.4V nominal system voltage and a 576–691.2V 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

Weight660.6 kg
Dimensions2137.5 × 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.614.4V
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.576 V – 691.2 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.61.44 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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