Overview

The Fortress eFlex Max 5.4 kWh battery combines high-capacity storage and exceptional longevity, making it an ideal choice for energy needs in residential, commercial, and outdoor settings.

Benefits

• Enjoy reliable energy backup to keep your home and business running smoothly.
• Benefit from long-lasting performance with minimal maintenance for peace of mind.
• Experience efficiency that reduces energy loss, saving you money on your electricity bills.
• Utilize robust outdoor capabilities, ensuring your energy needs are met in any environment.

Features

• High-capacity storage with a nominal capacity of 105AH for 5.4 kWh of energy.
• Long lifespan supported by premium automotive prismatic LiFeP04 cells; up to 8,000 cycles.
• Over 98% efficiency at 0.5 °C for reduced energy wastage.
• IP65 enclosure for excellent protection against dust and water.
• Advanced Battery Management System (BMS) for cell monitoring, balancing, and remote access.

Specifications

• Nominal Voltage: 51.2V
• Nominal Capacity: 105AH
• Rated Capacity: 5.374 kWh at 0.5C
• Cycle Life: 8,000 cycles at 80% DoD
• Depth of Discharge: Up to 100%
• Continuous Discharge Rate: 60A (3KW DC)
• Peak Discharge Rate: 100A (5KW for 60 minutes)
• Surge Power: 125A (6.6KW for 5 seconds)
• Recommended Charge Voltage: 54.4V
• Max Charge Current: 100A
• BMS Charge Voltage Disconnect: >56V
• Dimensions: 17.5 x 7.2 x 24.2 inches (446 x 184 x 616 mm)
• Weight: 108 lbs (49 kg)
• Enclosure Protection: IP65
• Case Material: Anodized Aluminum
• Certifications: UL1973, UN 38.3, Class 9 Lithium Battery
• Temperature Range (Discharge): -4°F to 131°F (-20°C to 55°C)
• Temperature Range (Charge): 32°F to 114°F (0°C to 45°C)
• Terminal Type: M8
• Warranty: 10 Years

Why Choose US Solar Supplier

At US Solar Supplier, we prioritize quality and customer satisfaction, offering top-tier products from trusted manufacturers. Our knowledgeable team is ready to assist you with product selection and installation support.

Advantages of Buying From Us

• Our products are sourced from reputable manufacturers to ensure reliability and performance.
• Expert guidance is available to help you choose the right solution and ensure proper installation.
• All products feature comprehensive warranties for your peace of mind.
• Secure checkout ensures your transactions are safe and straightforward.

Join a community of satisfied customers who rely on US Solar Supplier for their energy solutions. Take steps toward sustainable energy confidently.