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48V 100Ah rack-mounted LiFePO4 battery family

FNS Power 48V 100Ah LFP Battery Module

Discover the FNS Power 48V 100Ah LFP Battery Module, featuring safe cobalt-free LiFePO4 chemistry, a built-in smart BMS, and 98% round-trip efficiency. With a 6000-cycle lifespan and a 10-year warranty, this deep-cycle battery supports up to 32 units in parallel. Compatible with most standard inverters, it is UL1973, UL9540A, and IEC62133 certified. Ideal for on/off-grid solar, telecom, and emergency backup power systems.

FNS Power 48V 100Ah LFP battery module rack-mounted LiFePO4 storage with smart BMS
48V 100Ah rack-mounted LFP battery module family for solar ESS, telecom backup, and emergency power systems.
48VLow-voltage ESS platform
100AhDeep-cycle module capacity
98%Round-trip efficiency
6000Cycle lifespan design
32 unitsParallel expansion support

One 48V 100Ah battery platform for 3U and 5U rack projects

The 48V 100Ah LFP Battery Module is positioned as a flexible rack-mounted LiFePO4 storage family for buyers who need safe chemistry, smart BMS protection, inverter compatibility, and scalable parallel capacity across residential, telecom, and backup power applications.

Smart BMS built in

Supports monitoring, communication, and multi-layer protection for voltage, current, temperature, and system fault conditions.

Cobalt-free LFP safety

LiFePO4 chemistry improves thermal stability for deep-cycle operation in cabinets, homes, telecom sites, and distributed storage systems.

Scalable battery banks

Parallel expansion up to 32 units helps installers match backup time, solar storage capacity, and phased project growth.

  • On-grid solar
  • Off-grid solar
  • Telecom backup
  • Emergency backup
  • Residential ESS
  • Rack-mounted storage

3U and 5U series selection guide

Use the 48V 100Ah series page as the hub for selecting the right cabinet format. Final model choice should be confirmed against site layout, inverter protocol, certifications, and cable/service access.

Selection factor3U series5U series
Best fitCompact rack-mounted ESS where cabinet height is limited.Projects that prefer a taller module format or specific cabinet layout.
Core platform48V 100Ah LiFePO4 battery with smart BMS.48V 100Ah LiFePO4 battery with smart BMS.
Project checksRack depth, inverter compatibility, cable routing, parallel quantity.Cabinet spacing, installation access, local certification and documentation needs.
Primary use casesResidential ESS, small commercial backup, solar storage, UPS expansion.Residential ESS, telecom backup, emergency backup, and rack energy storage systems.
The knowledge base content confirms the family-level selling points: smart BMS, 98% round-trip efficiency, 6000 cycles, up to 32 units in parallel, standard inverter compatibility, UL1973, UL9540A, IEC62133, and a 10-year warranty.

Specification and buyer checklist

Before ordering, confirm the electrical design, inverter protocol, cabinet format, certification documentation, and service plan. The checklist below helps project buyers send a complete inquiry.

Core specification points

  • 48V 100Ah rack-mounted LFP battery module family.
  • Safe cobalt-free LiFePO4 chemistry.
  • Built-in smart BMS for protection and communication.
  • 98% round-trip efficiency and 6000-cycle lifespan design.
  • 10-year warranty and up to 32 units in parallel.

Information to send FNS Power

  • Inverter brand, model, and communication protocol.
  • Target backup time and daily cycling profile.
  • Preferred 3U or 5U rack/cabinet layout.
  • Installation country and required certificates.
  • Quantity, commissioning schedule, and service requirements.

FAQ

Is this page for both 3U and 5U?

Yes. This is the family-level hub for 48V 100Ah rack-mounted LFP battery modules, covering both 3U and 5U selection paths.

Can it be used with solar inverters?

Yes, it is compatible with most standard inverters, but protocol and communication support should be confirmed before ordering.

Which certifications are referenced?

The product documentation references UL1973, UL9540A, and IEC62133. Project compliance should be checked for the installation region.

Confirm the right 48V 100Ah LFP module for your project

Send your inverter model, rack format, backup time, and installation region. FNS Power can help match the battery configuration to the project.

Request a Quote

Document-checked product data

48V 100Ah LFP Battery Module Family: verified parameters and buyer-ready positioning

Updated from Sacred Sun product inventory
Core configurationRack-mounted 48V 100Ah LFP modules available in compact 3U and serviceable 5U formats for 19-inch racks or FNS cabinets.
Chemistry / technologyLiFePO4 prismatic cells with built-in BMS
Nominal voltage48V class
Capacity / energy100Ah; about 4.8kWh nominal at 48V
Power ratingBattery module; power/current rating not stated in DOCX
ScalabilityUp to 32 units in parallel; no series wiring
Cycle life / efficiency / warranty6,000 cycles at 80% DOD, 0.5C; 98% RTE; 10-year limited warranty
Certifications / standardsUL1642, UL1973, UL9540A, IEC62133, UN38.3
Communications / monitoring3U: RS485, CANbus, Modbus/SNMP/TACP and remote wireless DTU monitoring. 5U: RS485, CANbus, Modbus/SNMP/TACP.
Protection / enclosureBMS protection against over/under-voltage, high current, short circuit and temperature extremes
Primary applicationsOff-grid solar, grid backup, self-consumption, TOU, zero export, demand charge management, UPS, telecom, RV, marine