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Maximize your energy independence with the Fogstar Energy SR51.2V Server Rack Battery, a UK-designed marvel built to seamlessly integrate with your existing off-grid set-up.

Unmatched Performance and Durability

Ample Storage: The SR51.2V boasts an impressive 5.12kWh capacity, ensuring you have enough power to run your appliances even during outages.
Long-lasting: Constructed with top-of-the-line EVE cells, this battery delivers an industry-leading 4000 cycles at 80% depth of discharge (DOD), guaranteeing exceptional longevity.

Effortless Integration and User-Friendly Operation

Seamless Compatibility: Integrate the SR51.2V effortlessly with your solar system thanks to pre-loaded inverter protocols that support leading brands like Victron, Pylontech, and more.
Simple Management: The intuitive LCD touchscreen allows you to change the inverter protocol without any software downloads.

Unwavering Reliability in All Conditions

Built for the UK Climate: Engineered to thrive in diverse weather conditions, the SR51.2V automatically activates its internal heating system in cold temperatures, enabling charging even as low as -20°C.
Enhanced Safety: A 125Amp DC Breaker safeguards against faults, ensuring the battery's integrity and your safety.

Scalable Power as You Grow

Expandable Storage: The SR51.2V adapts to your evolving needs. With the ability to connect up to 15 batteries in parallel, you can easily increase your storage capacity.

Key Features

UK-Climate Ready: Auto-heating for efficient charging in cold weather.
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.

Harness the Full Potential of Your Solar Energy:

With the Fogstar Energy SR51.2V Server Rack Battery, you can store excess solar energy during the day and power your home or business throughout the night, even during grid outages.