Felicity Solar FLH48100UMG1/G2 5.12kWh 51.2V 100Ah LiFePO4 Battery Module

The Felicity Solar FLH48100UMG1/G2 5.12kWh LiFePO4 Battery Module is a 51.2V 100Ah lithium iron phosphate battery designed for professional solar energy storage systems. With 5.12kWh nominal energy, 1P16S configuration, >6000 cycles and a 10-year warranty, this battery module is suitable for rack-mounted and modular energy storage projects.

Built for solar installers, electricians, EPCs, solar wholesalers and solar distributors in Europe, the FLH48100UMG1/G2 is a strong choice for residential and light commercial PV battery systems, backup power applications and installer-ready complete kits.

SKU: FELICITY-FLH48100UMG1-G2-BAT-MOD

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Product description

Felicity Solar FLH48100UMG1/G2 5.12kWh Battery Module for Rack Energy Storage

Can be stacked into 61.44kWh energy storage system
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 FLH48100UMG1/G2 5.12kWh 51.2V 100Ah LiFePO4 Battery Module is designed for modular solar energy storage systems where professional installers need a clear, scalable and procurement-ready battery solution. It is suitable for residential PV systems, light commercial energy storage, backup power installations and rack-based battery configurations.

For installers and electricians, the FLH48100UMG1/G2 offers a practical low-voltage specification: 51.2V nominal voltage, 100Ah capacity, 5.12kWh nominal energy, 1P16S cell configuration, more than 6000 cycles and 10 years warranty. These values make it easy to specify the product in quotations, system designs, solar battery complete kits and B2B energy storage projects.

Designed for Modular LiFePO4 Battery Systems

The FLH48100UMG1/G2 is a LiFePO4 battery module for solar energy storage applications. LiFePO4, also known as lithium iron phosphate, is widely used in solar battery systems because it supports long cycle life, stable operation and frequent charge/discharge use.

This makes the battery suitable for professional solar PV installations where the energy storage system is expected to work daily for self-consumption, backup power or hybrid solar operation.

5.12kWh Capacity with 51.2V 100Ah Format

With 5.12kWh nominal energy, the Felicity Solar FLH48100UMG1/G2 gives installers a familiar and flexible battery size for low-voltage energy storage systems. The 51.2V 100Ah format is commonly used in modular solar battery designs and allows easier planning for residential and small commercial PV storage projects.

This battery module is especially relevant for projects where the installer wants a clean rack-based system layout with matching BMS and battery rack components.

Installer-Ready Battery Module for European PV Projects

Professional solar installers and electricians need battery products that are easy to identify, easy to procure and suitable for real installation environments. The Felicity Solar FLH48100UMG1/G2 is part of the wider Felicity Solar FLH energy storage range, which includes related BMS and rack components for scalable system layouts.

For B2B buyers, this supports better procurement planning because the battery module can be sourced together with compatible system accessories from one solar PV supplier.  You need assistance? Contact us

Key Technical Features

SpecificationValue
BrandFelicity Solar
ModelFLH48100UMG1/G2
Product typeLiFePO4 battery module
Nominal energy5.12kWh
Nominal voltage51.2V
Nominal capacity100Ah
Cell configuration1P16S
Cycle life>6000 cycles
Warranty10 years
ApplicationSolar energy storage systems
Recommended system styleRack-mounted / modular battery storage
Target usersSolar installers, electricians, EPCs, solar wholesalers and solar distributors

Recommended Applications

The Felicity Solar FLH48100UMG1/G2 5.12kWh battery module is suitable for professional solar energy storage projects such as:

  • Residential solar battery systems
  • Rack-mounted energy storage systems
  • Modular LiFePO4 battery banks
  • Self-consumption PV installations
  • Backup power systems
  • Light commercial solar storage
  • Hybrid solar battery projects
  • Installer-ready complete kits
  • EPC battery storage projects
  • Electrical contractor PV installations

Why Installers Choose the FLH48100UMG1/G2 Battery Module

For professional installers, the main advantage of the FLH48100UMG1/G2 is the clear technical format. The battery module offers 5.12kWh, 51.2V, 100Ah and LiFePO4 chemistry in a modular format suitable for energy storage projects.

This makes the product easy to specify, easy to compare and easy to include in a solar battery quotation. It is especially suitable for installers building structured rack battery systems with compatible BMS and rack accessories.

Product Compatibility and System Accessories

The FLH48100UMG1/G2 battery module is typically used as part of a modular energy storage setup. For professional installations, it should be matched with the correct BMS, rack case and compatible system components.

Accessory / ComponentUse
FLH48100UCG1/G2 BMSBattery management for 48V FLH battery systems
FLH48100R13G1/G2 rack caseRack case for up to 12 battery modules and 1 BMS
Compatible hybrid inverterPV battery charging and energy storage operation
Battery rack accessoriesStructured installation and service access
Complete kit componentsInstaller-ready procurement for PV projects

Always confirm final compatibility with the latest Felicity Solar datasheet, inverter compatibility list and local electrical installation requirements before installation.

B2B Solar Battery Supply from 3Buy Solar

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

The Felicity Solar FLH48100UMG1/G2 5.12kWh LiFePO4 battery module is a procurement-ready option for professional buyers who need a modular battery storage product for solar PV projects, rack energy storage systems and complete battery kits.

Order the Felicity Solar FLH48100UMG1/G2 from 3Buy Solar for reliable B2B solar battery supply, European project procurement and installer-focused energy storage solutions.

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 FLH48100UMG1/G2 Battery Module

The Felicity Solar FLH48100UMG1/G2 is a 5.12kWh LiFePO4 battery module used in low-voltage solar energy storage systems. It is suitable for rack-mounted battery systems, residential PV storage, light commercial energy storage and backup power applications. 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

The FLH48100UMG1/G2 has a nominal voltage of 51.2V, nominal capacity of 100Ah and nominal energy of 5.12kWh. According to the distributor price list, it has a 1P16S configuration, supports more than 6000 cycles and includes a 10-year warranty.

Yes. The Felicity Solar FLH48100UMG1/G2 is suitable for professional solar installers, electricians, EPCs, solar wholesalers and solar distributors who need a modular LiFePO4 battery module for solar energy storage systems and complete PV kits.

The FLH48100UMG1/G2 battery module is typically used with compatible FLH system components such as the FLH48100UCG1/G2 BMS and the FLH48100R13G1/G2 battery rack case. Installers should always confirm the correct system configuration before installation.

Specification

Manufacturer

BrandFelicity Solar

Technical Specifications

Weight41.3 kg
Dimensions482.6 × 565 × 131 mm
ManufacturerFelicity Solar
BrandFelicity Solar
Product CategoryBatteries
Rated Power [W]Indicates the maximum continuous power output or input the device can handle under standard operating conditions, measured in watts (W).5kW
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.51.2V
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.44.8 V – 57.6 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.5.12 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.100A
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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