Fogstar Energy 48.3kWh Modular 48V Battery + Inverter Bundle
Couldn't load pickup availability
The Fogstar Energy IP65-Rated 48.3kWh Modular Battery Stack is a high-capacity lithium energy storage solution designed for residential, commercial and off-grid applications.
Built using three 16.1kWh battery modules and managed by a dedicated control unit, this modular energy storage system combines exceptional capacity, advanced safety features and long-term reliability. With integrated battery heating, automatic fire suppression, IP65-rated protection, it provides a future-ready solution for solar energy storage, backup power and large-scale off-grid installations.
48.3kWh Modular Design
Built using three 16.1kWh LiFePO₄ battery modules managed by a dedicated control unit, creating a unified energy storage system that simplifies installation, servicing and expansion.
Scalable Energy Storage
Supports installation from a single 48.3kWh stack through to a full 64.4kWh system, making it suitable for residential, commercial and industrial applications.
Advanced Battery Management
Advanced Battery Management System provides intelligent monitoring, protection and control for safe, reliable long-term operation.
IP65-Rated Construction
Fully sealed enclosure protects against dust ingress and water exposure, making the system suitable for both indoor and outdoor installation.
Integrated Fire Suppression
Built-in heat-activated aerosol fire suppression system provides rapid internal response to thermal events without ongoing maintenance requirements.
Cold-Weather Ready
Integrated battery heating enables safe charging at low temperatures and reliable operation in ambient conditions down to -15°C.
JK Active Balancing
Integrated 2A active balancing continuously optimises cell voltages, helping to improve efficiency, stability and long-term battery performance.
High Output Performance
Designed around a low-voltage 51.2V architecture capable of supporting high-power inverter systems, large backup installations and demanding off-grid applications.
Touchscreen Monitoring
Integrated LCD touchscreen display provides real-time system information, diagnostics and battery management functions.
Built-In System Protection
Integrated 350A breaker allows the entire system to be safely isolated during maintenance, faults or emergency situations.
6-Year Warranty
Backed by a comprehensive 6-year manufacturer warranty and supported by 10 years of UK-based Fogstar customer service.
• Battery Chemistry: LiFePO₄
• Rated Energy: 48.3kWh
• Nominal Voltage: 51.2V
• Operating Voltage Range: 43.2V – 57.6V
• Capacity: 942Ah
• Configuration: 3 × 16S1P (Three 16.1kWh Modules)
• BMS: 150A
• Active Balancer: JK 2A Active Balancer
Performance
• Maximum Charge Current: 300A
• Maximum Discharge Current: 300A
• Cycle Life: Up to 8,000 Cycles @ 91% DoD
• Charge Temperature Range: 0°C to 45°C (with integrated heating)
• Discharge Temperature Range: -20°C to 45°C
• Integrated Battery Heating
Physical Specifications
• Dimensions: 830(L) × 450(W) × 949(H)mm
• Weight: 394kg
• IP Rating: IP65
• Integrated Fire Suppression System
• Integrated 350A DC Breaker
• Modular Stack Construction
Communications
• LCD Touchscreen Display
• CAN Communication
• RS485 Communication
What's Included?
• Fogstar Energy IP65-Rated 48.3kWh Modular Battery Stack
• Top-Mounted Control Unit
• Battery Base Plate
• Pre-Terminated 95mm² Battery Power Cables
• Amphenol Battery-to-Battery Connection Cables
• 1.5m Communication Cable
Installation Notes
• Always connect all negative conductors before connecting positive conductors.
• Supplied power cables are suitable for most installations.
• Some system configurations may require connection via an external busbar and manufacturer-specific inverter cables.
• Additional battery stacks can be connected in parallel to increase total system capacity up to 64.4kWh.
Choose from the GEN3 3.6-6K or GEN PRO 8-12K Hybrid Inverter to create a grid-connected energy storage system. Ideal for storing solar energy, reducing grid reliance and maximising self-consumption.
GEN3 3.6-6K Single-Phase Hybrid Inverter
The Fogstar GEN3-LB-EU 3.6–6K is a compact single-phase hybrid inverter designed for residential solar and battery storage systems. Supplied as a 6kW unit with 3.6kW, 5kW and 6kW rating labels, it features dual MPPTs, generator support, backup power capability and seamless integration with Fogstar 48/51.2V batteries, providing a flexible solution for installations with different power requirements.
Quick Specs
- 6kW unit with 3.6kW, 5kW and 6kW rating labels
- Dual MPPT inputs
- Up to 12kW PV input
- Up to 125A battery charge/discharge
- 7ms backup switching
GEN PRO 8-12K Single-Phase Hybrid Inverter
The Fogstar GEN PRO-LB-EU 8–12K is a high-performance single-phase hybrid inverter range designed for larger residential and light-commercial energy storage systems. Featuring triple MPPTs, high-current battery charging, generator support and seamless integration with Fogstar 48/51.2V batteries, it provides increased capacity for demanding solar, storage and backup applications.
Quick Specs
- 8kW, 10kW and 12kW output options
- Triple MPPT inputs
- Up to 21kW PV input
- Up to 250A battery charge/discharge
- 7ms backup switching
GEN2 14K Single-Phase Hybrid Inverter
The Fogstar GEN2-LB-EU 14K is a high-output single-phase hybrid inverter designed for larger residential and light-commercial energy storage systems with higher power demands. Featuring triple MPPTs, 250A battery charging, generator support and seamless integration with Fogstar 48/51.2V batteries, it delivers 14kW of grid-connected output with a 12kW rated backup output.
Quick Specs
• 14kW rated grid-connected AC output
• 12kW rated UPS / backup output
• Triple MPPT inputs
• Up to 18kW PV input
• Up to 250A battery charge/discharge
• <7ms backup switching
Choose from the SNA PRO 6.5K or SNA 14K Off-Grid Inverter for properties operating independently from the grid. Ideal for remote locations, workshops, cabins, agricultural sites and off-grid homes.
SNA PRO 6.5K Off-Grid Inverter
The Fogstar SNA PRO-EU 6.5K is a compact single-phase off-grid inverter designed for reliable standalone energy systems. Featuring dual MPPTs, generator support and seamless integration with Fogstar 48/51.2V batteries, it provides dependable power for off-grid homes, cabins, workshops and remote installations.
Quick Specs
• 6.5kW AC output
• Dual MPPT inputs
• Up to 12kW PV input
• 135A charge / 140A discharge
• 13kW surge power for 5 seconds S&S inverter spec
➡️ View SNA PRO 6.5K Off-Grid Inverter
SNA 14K Off-Grid Inverter
The Fogstar SNA 14K is a high-capacity single-phase off-grid inverter designed for larger residential, commercial and agricultural energy systems. Featuring dual MPPTs, dedicated generator support and seamless integration with Fogstar 48/51.2V batteries, it delivers substantial solar and battery capacity for demanding standalone installations.
Quick Specs
• 14kW AC output
• Dual MPPT inputs
• Up to 24kW PV input
• 270A battery charge/discharge
• Up to 15kW generator input S&S inverter spec
Planning a larger installation? Pair your battery with our 20kW Three-Phase Hybrid Inverter, ideal for commercial properties, agricultural applications and scalable energy storage systems.
20kW Three-Phase Hybrid Inverter
The Luxpower TriP2-LB-3P 20K is a high-capacity three-phase hybrid inverter designed for residential, commercial and agricultural energy systems. Featuring triple MPPTs, generator support and seamless integration with Fogstar 48/51.2V batteries, it delivers flexible and efficient energy management for larger installations with demanding power requirements.
Quick Specs
• 20kW three-phase AC output
• 3 independent MPPT inputs
• Up to 30kW PV input
• Up to 250A battery charge/discharge
• Parallel capability up to 10 units
➡️ Download the Modular 48.3kWh Specification Sheet
Setting the Power Rating
The power rating is set remotely through the LuxPower Monitor Centre using your installer account. Once it’s set, swap the inverter’s rating label for the matching one supplied with the inverter. Our step-by-step guide walks you through the process.
➡️ Download the Power Rating Guide
Grid Compliance Documents
Your installer uses these documents when applying to your Distribution Network Operator (DNO) to connect your system to the grid. G99 reports confirm the inverter meets the UK requirements for connecting to the distribution network. G100 documents cover export limitation, where the inverter controls how much power is exported to the grid.
GEN3 3.6–6K Inverter
G99 Reports – choose the report that matches the output rating your inverter is set to:
➡️ Download the G99 Report (3.6kW)
➡️ Download the G99 Report (5kW)
➡️ Download the G99 Report (6kW)
G100 Document – covers all GEN3 models:
➡️ Download the G100 Document
GEN PRO 8–12K Inverter
G99 Reports – choose the report that matches your inverter’s output:
➡️ Download the G99 Report (8kW)
➡️ Download the G99 Report (10kW)
➡️ Download the G99 Report (12kW)
G100 Document – covers all GEN PRO models:
➡️ Download the G100 Document
GEN2 14K Inverter
G99 Report:
➡️ Download the G99 Report (14kW)
G100 Document:
➡️ Download the G100 Document
TriP2 20K Inverter
G99 Report:
➡️ Download the G99 Report (20kW)
G100 Document:
➡️ Download the G100 Document
Need a document that isn’t listed here? Just email us at customerservice@fogstar.co.uk and we’ll be happy to help.
Get in touch
We're here to help
Our team are here to make the installation process simple. Please get in touch with any questions - we're always happy to help.
- Choosing a selection results in a full page refresh.