The Fogstar Energy 48V 16.1kWh ECO battery is a fully assembled, commercial-grade energy storage solution built for homes and small commercial installs, providing reliable performance, long cycle life, and seamless inverter integration.
Our 2026 version steps things up with integrated fire suppression for enhanced safety and a built-in heating system that enables charging all the way down to -10°C. Cold garages, outbuildings, and winter installs are no longer a problem.
Built using 3.2V 314Ah Grade A cells in a 1P16S configuration, managed by an intelligent 200A BMS and a JK 2A Active Balancer, this system delivers long life, stable performance, and peace of mind as standard.
Key Features
Fully Assembled
Fully assembled and ready to install straight out of the box.
Integrated Fire Suppression
Automatic heat-activated aerosol system provides rapid response protection inside the battery.
Cold-Weather Ready
Integrated battery heating allows charging down to -10°C.
Scalable & Flexible
Connect up to 16 units. That’s up to 257.6 kWh of storage.
Reliable Performance
6-year manufacturer’s warranty, backed by 10 years of Fogstar customer support.
Long Lifespan
Up to 8000 cycles at 80% Depth of Discharge.
Seamless Integration
Pre-loaded compatibility with Victron, Sunsynk, Solis, Luxpower, Voltacon and more.
Smart Connectivity
CAN and RS485 communication for smooth system integration.
User-Friendly Interface
Integrated LCD touchscreen for real-time monitoring and configuration.
Advanced Cell Management
Advanced 200A BMS paired with a JK 2A Active Balancer for optimal cell health.
Outstanding Value
Just £108.69 per kWh. Serious storage without the premium nonsense.
Product Specifications
Model: FE51.2-16
Rated Energy: 16.1kWh
Cell Assembly: 1P16S
Nominal Voltage (V): 51.2V
Operating Voltage (V): 42V - 58.2V
Cycle Life: 8000 Cycles (at 25°C 50A charge and discharge current) at 80% DOD.
Working Temperature: -10°C - 40°C Charge. -20°C - 40°C Discharge.
Rated Charge/Discharge Current (A): 100A/200A @25±2℃
Maximum Discharge Current: 200A
Capacity: 314Ah
Active Balancer: JK 2A
Weight: 119.5kg ± 3kg
Nominal Voltage: 51.2V
Size: 898.5(H) x 415(L) x 260(W)
Pre-loaded compatibility: Victron, Sunsynk, Solis, Luxpower, Voltacon and more.
What's Included?
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1.5 m 50 mm² battery cables with M8 ring lugs, suitable for direct inverter connection or via an external busbar
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1.5 m communication cable for fast, hassle-free data integration.
Installation note; always connect all negative conductors before attaching the positive.
The supplied cables work with most inverter setups. In some installations, routing via a busbar and using manufacturer-supplied inverter leads may be required.