Fortress Power eFlex 5.4kWh LFP Battery

Fortress Power eFlex 5.4kWh LFP Battery

Introducing the Fortress Power eFlex 5.4kWh LFP Battery - the flexible and efficient energy storage solution for your home or business. With a compact 5.4kWh capacity, this lithium iron phosphate battery pack can provide reliable power backup for shorter periods and is perfect for those looking for a smaller energy storage solution.

• Compact 5.4kWh battery pack
• Lithium iron phosphate (LFP) technology for long-lasting performance
• Advanced battery management system for optimal performance and safety
• Easy to install and maintain
• Compatible with a wide range of solar inverters and charge controllers
• Designed to withstand harsh environments and extreme temperatures
• UL9540 and UN38.3 safety certifications
• 7-year warranty for added peace of mind.

With the Fortress Power eFlex 5.4kWh LFP Battery, you can rest easy knowing that your energy needs are fully covered, even during power outages. This powerful and durable battery pack is the perfect addition to any solar panel system, providing you with reliable and sustainable energy storage for years to come. It's also a great choice for those who have limited space and looking for a compact energy storage solution.

eFlex Data Sheet
eFlex SPANISH Data Sheet
eFlex SPANISH Brochure

eFlex Owner / Installation Manual
Inverter Guides
Firmware 
Warranty

UL9540 / UL1973 Certificate
UL9540a Large Scale Fire Test Report

• Compact Power: Delivers 5.4 kWh of storage, ideal for residential energy systems or as a modular addition to larger setups.
• Lithium Iron Phosphate (LFP) Technology: Known for its safety, longevity, and thermal stability, providing a longer lifecycle than traditional batteries.
• Scalable Design: Easily integrates with other Fortress Power systems, allowing you to expand your storage capacity as needed.
• Efficient & Reliable: Offers consistent energy output with minimal loss, making it a dependable choice for backup or off-grid power solutions.
• Space-Saving: Its compact design fits in tight spaces without sacrificing performance.

Q: What is the Fortress Power eFlex 5.4kWh LFP Battery?
A: A compact and reliable 5.4kWh lithium iron phosphate (LFP) battery, designed for energy storage in residential, commercial, and off-grid applications, offering long-lasting power and safety.

Q: What are its key features?
A:

• 5.4kWh storage capacity for consistent energy supply.
• Lithium Iron Phosphate (LFP) chemistry for improved safety, long cycle life, and thermal stability.
• Modular design for easy integration with other Fortress Power systems.
• Efficient, scalable solution for backup power or off-grid use.
• Built-in Battery Management System (BMS) for optimal performance and safety.

Q: Is it safe to use?
A: Yes, LFP technology is known for its enhanced safety features, including thermal stability and resistance to overcharging or discharging.

Q: How can it be expanded?
A: The eFlex 5.4kWh battery can be easily combined with other eFlex units to scale up your energy storage capacity.

• Temperature Management: Ensure the battery operates within the recommended temperature range (32°F–113°F or 0°C–45°C) to prevent overheating or damage.
• Monitor Battery Health: Use the Battery Management System (BMS) to keep track of charge cycles, state of health, and performance.
• Keep Clean: Clean the battery's exterior with a soft cloth to remove dust and debris, ensuring proper ventilation and cooling.
• Avoid Deep Discharges: Avoid discharging the battery below 20% and refrain from fully charging to 100% for optimal lifespan.
• Inspect Connections: Regularly check electrical connections for tightness and signs of wear or corrosion to maintain system integrity.
• Firmware Updates: Keep the eFlex battery firmware up to date to improve performance and efficiency.
• Proper Storage: If storing for extended periods, keep the battery at a charge level between 20% and 80%, and ensure it's stored in a cool, dry place.