Skip to content

Fogstar Energy 51.2V 10kWh Battery

£1,499.99

🚚 Due to arrive end of Jan 2026

The Fogstar Energy 10kWh Battery is a high-density energy storage system engineered for demanding residential and light-commercial applications where performance, safety and environmental resilience are non-negotiable.

Designed around a 200A intelligent Battery Management System, it provides active monitoring and control of voltage, current and temperature at cell level, ensuring stable charge and discharge behaviour across every cycle. Integrated low-temperature heating enables safe and efficient charging in cold environments, maintaining performance and extending service life in UK conditions.

Safety is built in; the battery features an automatic fire suppression system and is housed in a fully sealed IP67 enclosure, protecting internal components against water ingress, dust and external contaminants. This makes it suitable for long-term indoor or outdoor installation.

Optimised for off-grid systems, home backup power and renewable energy integration, the Fogstar Energy 10kWh delivers consistent output, high cycle efficiency and dependable operation in mission-critical energy storage applications.

Key Features:

  • Advanced Battery Management System
    The 200A BMS delivers precise control, enhanced protection and long-term performance.
  • Simple Integration with all Major Inverter Brands
    The BMS seamlessly integrates with a wide range of popular inverters, containing pre-loaded protocols for popular inverter brands such as Victron, Luxpower, Sunsynk, Solis, Voltacon and many more.
  • IP67-Rated Construction
    Fully sealed enclosure protects against dust, moisture and harsh installation environments.
  • Integrated Fire Suppression
    Automatic heat-activated aerosol system provides rapid response protection inside the battery.
  • User-Friendly Interface
    LCD touchscreen for real-time monitoring and system management.
  • Built-in Breaker
    The 250A breaker allows the battery to be safely isolated during faults, maintenance, or emergency conditions.
  • Cold-Weather Ready
    Built-in heating system enables safe charging at low temperatures and reliable operation down to –20°C.
  • High Output Performance
    200Ah capacity with up to 200A discharge for high-demand inverters and whole-home backup.
  • Long-Term Peace of Mind
    Backed by a 6 year warranty and 10 years of customer service support.
  • Low Cost Per kWh
    An incredible £150 per kWh, delivering cost-effective energy storage without compromising on quality.
  • Scalable Energy Storage
    Up to 16 batteries can be connected in parallel to expand energy storage capacity to suit your specific needs.
  • Wall Mounting Brackets: Wall mounting brackets are included, allowing the battery to be securely fixed to both internal and external walls.

Product Specifications:

Rated Energy: 10kWh
Model: FE51.2-10
Nominal Voltage (V): 51.2V
Operating Voltage (V): 42V - 58.2V
Cycle Life: 6000 cycles at 80% DOD
Cell Configuration: 2P16S
Working Temperature: 0 - 40°C Charge and -20°C - 40°C Discharge.
Maximum Discharge Current: 200A
Capacity: 200Ah
Weight: 98kg
Size: 550mm (L) x 175mm (W) x 904mm (H)

What's included?

We supply a pair of 1.5m positive and negative power cables with Amphenol connectors, designed for reliable battery-to-battery linking in both single and parallel installations. For correct installation, always connect all negative conductors before attaching the positive.

Included in the kit is a 1.5m RS485/CAN communication cable, enabling straightforward data integration with compatible inverters and system components. A 1.8m PC cable is also provided for direct connection during system setup, monitoring and diagnostics. Together, these accessories allow the battery to be integrated easily into both standalone and multi-unit configurations.

➡️ Download Specification Sheet
➡️ Download User Manual