Fogstar 5.12–76.8 kWh 48V LiFePO4 Solar Battery System
- Modular 48V LiFePO4 solar battery system from 5.12 kWh up to 76.8 kWh for commercial and industrial energy storage.
- High-cycle Grade A LiFePO4 cells and advanced BMS for dependable day‑to‑day operation in demanding environments.
- Wide inverter compatibility and UK expert support for straightforward integration into existing and new solar systems.
The Fogstar 5.12–76.8 kWh 48V LiFePO4 Solar Battery System is a scalable rack‑mount storage solution for logistics hubs, warehouses, offices and light industrial sites that need reliable backup power and better use of their solar generation. Starting with a single 5.12 kWh 48V module, you can expand in stages up to a large 76.8kWh 15‑battery system as your load grows, without changing the core architecture.
Key features
- Modular 5.12 kWh 48V rack battery building blocks, stackable into large systems for commercial and industrial use.
- Long‑life LiFePO4 chemistry using Grade A EVE cells, with thousands of cycles at 80% depth of discharge.
- Integrated BMS with protection for over‑voltage, under‑voltage, over‑current and temperature, designed for fixed solar and storage systems.
- Compact 19" rack format for easy installation in server cabinets or dedicated battery enclosures.
- Compatible with a wide range of 48V hybrid and off‑grid inverters; protocol options available for popular brands.
Example applications
- Warehouse and logistics depots needing backup for lighting, IT, Wi‑Fi, security and shutter motors.
- Commercial offices looking to shift solar energy into evening peak periods and provide resilience for critical loads.
- Remote sites, telecoms cabins and monitoring stations where grid supply is weak or unreliable.
- Small workshops and light industrial units running tools, compressed air systems and process equipment on stored solar power.
Technical specifications – Fogstar 5.12 kWh 48V LiFePO4 modules
The Fogstar 5.12–76.8 kWh 48V LiFePO4 Solar Battery System is built from multiple Fogstar 5.12 kWh 48V rack‑mount batteries. Technical specifications below refer to a single 5.12 kWh 48V module as published by Fogstar and distribution partners.
Electrical
- Manufacturer: Fogstar Energy
- Model: ESR51.2V 5.12KWH
- Nominal capacity: 5.12 kWh (100 Ah)
- Nominal voltage: 51.2 V
- Chemistry: LiFePO4 (Lithium Iron Phosphate)
- Cell brand / model: EVE LF100LA
- Cell assembly: 16S1P
- Usable capacity: 5.12 kWh usable (within BMS limits)
- Cycle life: 4000 cycles at 1C to 80% depth of discharge (to 80% remaining capacity)
- Recommended depth of discharge: up to 80% (per manufacturer’s cycle life rating).
BMS and protection
- BMS type: Integrated 48V LiFePO4 BMS (Fogstar‑specified)
- Continuous discharge current: 100 A
- Continuous charge current: as per Fogstar specification for ESR51.2V (refer to datasheet).
- Protection functions: over‑voltage, under‑voltage, over‑current, short‑circuit and temperature protection (per Fogstar rack battery manual).
- Communication: CAN/RS485 (as specified for Fogstar 48V rack batteries; check datasheet for available protocols).
Mechanical
- Format: 19" rack‑mount server battery
- Rack unit size: 3.5U
- Dimensions (W x H x D): 450 mm x 160 mm x 440 mm
- Weight: 45.2 kg
- Mounting: rack‑mount in standard 19" cabinet or dedicated Fogstar / third‑party rack.
Environmental
- Intended use: indoor installation in suitable enclosure with adequate ventilation, away from direct weather exposure (see Fogstar manual).
- Operating temperature: as specified in Fogstar ESR51.2V datasheet and manual.
- Storage temperature: as specified in Fogstar ESR51.2V datasheet and manual.
System sizing – 5.12–76.8 kWh
- Single‑module capacity: 5.12 kWh at 51.2 V nominal.
- Expandable capacity: multiple modules can be paralleled to build larger systems; Fogstar 48V platforms support up to 32 batteries in some cabinet configurations (163.84 kWh total) – check project design for the intended configuration.
- Example commercial system: 10 modules at 5.12 kWh provide 51.2 kWh of nominal storage at 48 V.
- Example larger installation: 15 modules at 5.12 kWh provide 76.8 kWh nominal storage at 48 V in a multi‑cabinet arrangement.
Inverter compatibility
- Designed for use with 48V hybrid and off‑grid inverters commonly used in UK solar and storage systems.
- Protocol support available for several leading inverter brands (see Fogstar documentation and Energian for current compatibility list).
- Can be used in mixed systems with solar PV, generators and grid‑tied inverters where designed and commissioned by a competent installer.
Compliance and warranty
- Manufacturer: Fogstar Energy, UK lithium battery specialist.
- Conformity: designed and manufactured to relevant safety and performance standards for LiFePO4 rack batteries (refer to Fogstar datasheet for specific standards and marks).
- Warranty: as per Fogstar ESR51.2V warranty terms (see Fogstar warranty documentation for duration and conditions).
Documents available for download
Installation and integration
This 48V LiFePO4 solar battery system is not a plug‑and‑play product and should be installed and commissioned by a qualified electrician or solar installer familiar with high‑current DC systems. Energian can introduce you to trusted installation partners for commercial, industrial and logistics projects across the UK and Ireland.
Shipping and UK expert support
Shipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If a shipping rate is not shown at checkout, please contact us on +44 2080640335 or info@energian.co.uk for a tailored quote.
UK expert support is available – contact Energian with any questions or support requests via phone, email or live chat, or visit our office for an in‑person consultation.