Fogstar Energy 48V 16.1kWh ECO Battery Storage

The Fogstar Energy 48V 16.1kWh ECO is a fully built, commercial grade LiFePO4 battery designed for high demand home systems and small commercial installations. It arrives assembled and ready to integrate with leading inverter brands, delivering dependable daily performance and an exceptionally long service life.

The 2026 edition adds two major upgrades for real world installations: integrated fire suppression for enhanced protection, plus an internal heating system that allows charging down to -10°C. That means cold garages, outdoor plant rooms, and winter commissioning are no longer a barrier.

Built from 3.2V 314Ah Grade A cells in a 1P16S layout, it is managed by a robust 200A BMS and supported by a JK 2A active balancer to keep cells aligned over the long term. The result is stable output, strong safety control, and reliable capacity you can count on.

Key Features

• Ready to install: Fully assembled battery, supplied prepared for commissioning.
• Integrated fire suppression: Automatic heat activated aerosol protection inside the enclosure.
• Cold weather charging: Built in heating enables charging down to -10°C.
• Expandable storage: Parallel up to 16 units for up to 257.6kWh.
• Long cycle life: Up to 8000 cycles at 91% DoD.
• Wide inverter compatibility: Pre loaded support for Victron, Sunsynk, Solis, Luxpower, Voltacon and more.
• Comms built in: CAN and RS485 for straightforward integration and monitoring.
• On unit display: LCD touchscreen for status, settings, and real time data.
• Enhanced cell balancing: 200A BMS with JK 2A active balancer supports cell health.
• Strong value: £108.69 per kWh for serious storage without inflated pricing.
• Warranty and support: 6 year manufacturer warranty backed by 10 years of Fogstar customer support.

Product Specifications

• Model: FE51.2V-16-LVFB
• Rated Energy: 16.1kWh
• Cell Assembly: 1P16S
• Nominal Voltage: 51.2V
• Operating Voltage: 42V to 58.2V
• Capacity: 314Ah
• Rated Charge Current: 100A (25±2°C)
• Rated Discharge Current: 200A (25±2°C)
• Maximum Discharge Current: 200A
• Cycle Life: 8000 cycles (25°C, 50A charge and discharge) at 91% DoD
• Working Temperature: Charge -10°C to 40°C, Discharge -20°C to 40°C
• Active Balancer: JK 2A
• Weight: 119.5kg ± 3kg
• Dimensions: 898.5(H) x 415(L) x 260(W)
• Pre loaded compatibility: Victron, Sunsynk, Solis, Luxpower, Voltacon and more

What’s Included

• 1.5m 50mm² battery cables with M8 ring lugs for direct inverter connection or via an external busbar
• 1.5m communication cable for quick, tidy data integration

Installation Note

Always connect all negative conductors before attaching the positive conductor. The supplied cables suit most inverter installations. In some setups, routing through a busbar and using the inverter manufacturer’s leads may be required, depending on cable entry and termination layout.