Fogstar Energy 5.12kWh Rack Battery + Inverter Bundle
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The Fogstar Energy 48V 5.12kWh Server Rack Battery is a premium LiFePO4 energy storage solution designed for residential, commercial and off-grid applications.
Built using Grade A EVE cells and a premium PACE Battery Management System (BMS), it delivers reliable long-term performance, intelligent battery protection and exceptional durability. Its modular design allows systems to scale as energy demands grow, with support for both rack-mounted cabinet installations and large-scale parallel battery banks.
3.6-6kW Hybrid
Grade A EVE LiFePO₄ Cells
Built using premium Grade A EVE cells for exceptional reliability, safety and long-term performance.
Integrated Battery Heating
Automatically warms the cells during cold weather charging, enabling operation in temperatures as low as -20°C.
Wide Inverter Compatibility
Compatible with a wide range of leading low-voltage inverter platforms, including LuxPower, Sunsynk, Victron and many more.
Scalable Energy Storage
Supports up to 32 batteries in parallel (31 with Victron systems), allowing capacity to grow alongside your energy requirements.
PACE Battery Management System
Features the industry-leading PACE BMS, delivering intelligent monitoring, protection and battery communications.
Built-In DC Protection
Integrated 125A DC breaker provides safe system isolation and fault protection.
Long Service Life
Designed to deliver over 5,000 cycles at 95% depth of discharge for dependable long-term energy storage.
10-Year Warranty
Backed by a comprehensive 10-year warranty for complete peace of mind.
Battery Specifications
• Battery Chemistry: LiFePO₄
• Nominal Energy: 5.12kWh
• Nominal Voltage: 51.2V
• Capacity: 100Ah
• Cell Configuration: 16S1P
• Cell Model: EVE LF100LA
• BMS: PACE 100A
• Balance Current: 0.5A
Performance
• Maximum Continuous Discharge Current: 100A
Physical Specifications
• Rack Size: 3.5U
• Dimensions: 450(W) × 160(H) × 440(D)mm
• Weight: 45.2kg
Communications
• LCD Touchscreen Display
• RS232 Communication
• RS485 Communication
What's Included?
• Fogstar Energy 48V 5.12kWh Rack Battery
• RS232 to USB Communication Cable
• RS485 Battery-to-Battery Communication Cable
• Positive Battery Cable
• Negative Battery Cable
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
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
➡️ Download the 5.12kWh Rack Battery 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
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
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Our team are here to make the installation process simple. Please get in touch with any questions - we're always happy to help.
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