Fogstar 5.12kWh - 48V Server Rack Lithium Battery

Designed for both homes and businesses, this cutting-edge battery harnesses Grade A LiFePO4 EVE cells for exceptional reliability, safety, and efficiency. Its modular design allows for seamless expansion, while its wide inverter compatibility ensures effortless integration into any energy system. 

Whether you're looking to slash energy costs, maximise solar efficiency, or gain energy independence, this battery delivers the power, flexibility, and durability you need—at one of the lowest costs per kWh in the UK. 

Unmatched Performance and Durability 

Designed to withstand the rigors of daily use, the Fogstar Energy SR51.2V Server Rack Battery boasts an impressive 5.12kWh of usable capacity, ensuring ample power storage for your appliances. 

Constructed with 16 premium Grade A EVE cells, this battery delivers an industry-leading 4000 cycles at 80% Depth of Discharge (DOD), guaranteeing exceptional longevity. 

Seamless Integration and Easy Operation 

The Fogstar Energy SR51.2V Server Rack Battery seamlessly integrates with your existing solar system, thanks to its pre-loaded inverter protocols with 'out of the box' support for leading inverter brands like Victron, Pylontech, Growatt, Sofar, Solis, and Goodwe. 

The intuitive LCD touchscreen allows you to change the inverter protocol without the hassle of downloading BMS software. 

Unwavering Reliability in Harsh Conditions 

Engineered to thrive in the UK's diverse climate, the Fogstar Energy SR51.2V Server Rack Battery automatically activates its internal heating system when temperatures dip below 5°C, enabling charging even in frigid conditions as low as -20°C. For added peace of mind, a 125Amp DC Breaker safeguards against faults, ensuring the battery's integrity and your safety. 

Expandable power storage 

As your energy demands grow, so should your energy storage capabilities. The Fogstar Energy SR51.2V Server Rack Battery seamlessly adapts to your evolving needs, offering a scalable solution that can expand alongside your solar system. With the ability to connect up to 32 (or 31 for Victron systems) rack batteries in parallel, you can effortlessly increase your storage capacity to match your energy consumption patterns. 

UK-Climate Ready 

Auto-heating for efficient charging in temperatures as low as -20°C. 

Pre-loaded Inverter Protocols 

Hassle-free integration with major inverter brands. 

User-Friendly LCD Touchscreen 

Effortless inverter protocol adjustments. Industry-Leading Lifespan 4000 cycles at 80% DOD for extended battery life. 

Robust Safety Features 

125Amp DC Breaker for enhanced protection.

Expandable Systems 

Connect up to 32 batteries in parallel (31 for Victron systems). 

8 Year Warranty 

Complete peace of mind with our 8 Year Warranty. 

With the Fogstar Energy SR51.2V Server Rack Battery, you can harness the power of your off-grid energy system to its fullest potential. Whether you’re looking to store solar energy, prepare for power outages, charge during off-peak hours or create a self-sufficient off-grid system, the Fogstar Energy Rack Battery is one of the most versatile 48V batteries on the UK market. 

Technical Specifications

• Manufacturer: Fogstar Energy
• Model: ESR51.2V 5.12KWH 
• EVE Cell Model: LF100LA 
• Cell Assembly: 16S1P 
• Cycle Life: 4000 Cycles at 1C to 80%. (After 4000 cycles, you will still have a battery that can deliver 80% of the stated capacity) 5.12Kwh is fully useable. 
• BMS: PACE 100A BMS 
• Maximum Discharge: 100A 
• Balance Current: 0.5A 
• Capacity: 100ah 
• Weight: 45.2kg 
• Nominal Voltage: 51.2V 
• Rack Unit Size: 3.5U 
• Size: 3.5U or 450(W) x160(H) x 440(L) mm 
• Pre-loaded Inverter Protocols: Victron, Sofar, Pylontech, Growatt, Solis, Goodwe.

• Fogstar ESR51.2V 5.12KWH Rack Battery 
• PC communication cable RS232 to USB 
• One Battery to Battery (B2B) communication cable (RS485 to RS485) 
• x1 Positive 35mm cable 
• x1 Negative 35mm cable.

PRODUCT CODE: FG-15-5KWH48V