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We provide professional solar and battery storage installations nationwide across most areas of the UK. Every system is fully certified and installed by qualified engineers, giving you peace of mind and long-term reliability.
Solis Plus Hybrid Data Sheet
Fogstar Battery stack Datasheet
Fogstar Battery stack Installation manual
Solis 8/10kW Hybrid PLUS Inverter with Fogstar Energy 48.3-64.4kWh Modular Battery Stack
The Solis Single-Phase Low-Voltage PLUS Energy Storage Inverter is engineered for high-performance residential and light commercial applications requiring reliability, flexibility, and advanced energy control. Featuring 8 MPPT's, FAST UPS-level backup switching, high surge capability, and generator compatibility, the PLUS model is ideal for sites with demanding loads and complex energy profiles.
Key Features & Benefits
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Integrated Backup Port with Automatic UPS Switching for seamless power continuity
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Up to 190A max charge/discharge current for high-power battery performance
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Up to 200% DC oversizing for enhanced energy harvest
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Six fully customisable charge/discharge time settings for tariff optimisation
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200% surge power capability (10 seconds) to support high inrush loads
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Generator connectivity with multiple input methods and automatic generator start/stop control
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Flexible parallel operation supporting both single-phase and three-phase configurations, up to 48kW total
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Intelligent AC-coupling enables easy retrofitting to existing grid-connected PV systems
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Peak shaving support in both self-use and generator modes
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Compatible with lead-acid and lithium batteries, with comprehensive battery protection features
The Fogstar Energy Modular Battery Stack (FE51.2-48.3) is a high-capacity, low-voltage (51.2V) LiFePO₄ energy storage system designed for residential, commercial and light industrial applications.
Built from 3-4 X 16.1kWh battery modules, and managed by a single top-mounted control unit that operates the system as one fully integrated solution.
With the ability to scale up to 1.23MWh, IP65 protection, integrated heating and built-in fire suppression, this system is engineered for reliable performance in demanding UK environments.
System Overview
Each 48.3kWh stack consists of:
• 3 × 16.1kWh LiFePO₄ battery modules
• Integrated top-mounted control unit
• Heavy-duty base plate structure
• Built-in 350A isolation breaker
Once assembled, the control unit manages all modules as one unified battery system — simplifying commissioning, inverter communication, monitoring and servicing.
The modular architecture allows additional stacks to be added at any time, making this solution ideal for phased commercial installs or growing energy demand.
Advanced Integrated BMS
A high-performance Battery Management System delivers:
• Precise charge & discharge control
• Full protection against over/under voltage & temperature
• Support for high-power inverter systems
• Long-term reliability and system stability
Fully Scalable Architecture
• 1 × stack = 48.3kWh
• Multiple stacks connected in parallel
• Scales up to 1.23MWh total capacity
Perfect for commercial properties, agricultural sites, workshops, warehouses and large residential installs.
IP65-Rated Construction
A robust, sealed enclosure protects against dust and moisture, allowing:
• Indoor installation
• Plant room installation
• Outdoor installation (where suitable)
Built for real-world environments.
Integrated Fire Suppression
Heat-activated aerosol fire suppression system provides:
• Automatic internal protection
• No external maintenance requirements
• Enhanced site safety compliance
Cold-Weather Ready (Down to –15°C)
Integrated battery heating enables:
• Safe low-temperature charging
• Reliable winter operation
• Installation in unheated plant rooms and outbuildings
Operating conditions:
• Charge: 0–45°C (with heating enabled)
• Discharge: –20–45°C
JK 2A Active Cell Balancing
Continuous active balancing improves:
• Cell voltage equalisation
• System efficiency
• Long-term lifespan
• Performance stability under load
High Output Performance
• 51.2V (48V nominal) low-voltage system
• 300A maximum charge & discharge current
• Designed to support high-demand inverters
• Ideal for backup, peak shaving & off-grid applications
Built-In 350A Breaker
Integrated breaker allows full system isolation for:
• Maintenance
• Fault conditions
• Emergency shutdown
Warranty & Support
• 6-Year Manufacturer Warranty
• 10 Years UK-Based Customer Support
