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Fogstar

Fogstar Energy 15kWh 48V Rack Battery Bundle

Fogstar Energy 15kWh 48V Rack Battery Bundle

Regular price £2,889.99
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SKU:FSE-BNDL-15KWH48V

Fogstar Energy 15kWh Rack Battery Bundle – Residential LiFePO4 Storage System with 3 Server Rack Batteries & Cabinet

Store and manage your solar energy with confidence using the Fogstar Energy 15kWh Rack Battery Bundle – a high-performance, UK-designed lithium battery system tailored for off-grid, hybrid, and residential solar energy applications. This complete bundle includes three SR51.2V rack-mounted LiFePO4 batteries housed in a 3U energy storage cabinet, delivering efficient, scalable, and reliable energy storage for your home or small business.

Built to Last

  • 15kWh Total Capacity – Power your home through outages or high-demand periods.
  • 3 x SR51.2V Server Rack Batteries – Each battery built with premium Grade A EVE LF100LA cells and a PACE 100A BMS.
  • UK-Designed Heating System – Enables charging in temperatures as low as -20°C with integrated internal heaters.
  • 8-Year Warranty – Ensures long-term peace of mind and performance support.

Unmatched Versatility and Control

  • Pre-Loaded Inverter Protocols – Compatible with Victron, Pylontech, Growatt, Solis, Sofar, and Goodwe.
  • 4.3" TFT LCD Touchscreen – Adjust inverter settings and monitor performance directly from the battery.
  • 4000+ Cycle Life – 10 to 15-year lifecycle with 80% usable capacity retained after 4000 cycles at 1C.
  • Industry-Leading EVE Cell Technology – 16 x Grade A LF100LA cells per unit in 16S1P configuration.

Effortless Installation and Future Scalability

  • High-Quality Busbars – Thick nickel-plated copper busbars simplify parallel connection and reduce resistance.
  • Vented Cabinet Design – Airflow-friendly front panels improve thermal regulation.
  • Clean Cable Management – Top and bottom cut-outs for tidy, serviceable wiring.
  • Expandable Design – Connect up to 15 units in parallel for larger energy storage needs (series connection not supported).
  • Compact 3-Rack Cabinet Included – Ideal for homes with limited installation space.
  • Optional Upgrade Available – Choose a 6-rack cabinet and 3-battery bundle for future expansion flexibility.

Technical Specifications:

Specification Details
Manufacturer Fogstar Energy
Model ESR51.2V 5.12kWh (x3)
Total Capacity 15.36kWh (5.12kWh per unit)
Nominal Voltage 51.2V
Cell Type Grade A EVE LF100LA
Cell Configuration 16S1P
Cycle Life 4000 cycles @ 80% DOD (1C)
Usable Energy 100% (5.12kWh fully usable per unit)
BMS PACE 100A
Max Discharge (System) 300A (100A per unit)
Balance Current 0.5A
Inverter Protocols Victron, Pylontech, Growatt, Solis, Sofar, Goodwe
Display 4.3” TFT LCD Touchscreen
Rack Size per Battery 3.5U
Battery Dimensions (H x W x D) 155mm x 450mm x 440mm
Weight per Battery 45.2kg
Cabinet Dimensions 600mm x 650mm x 800mm

For additional information, reach out to us at hello@offgridrenewables.co.uk.

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