Fortress Power Energy Storage System (81.0Kwh Capacity) – FlexTower
MPN Number:
FlexTower
Fortress Power Energy Storage System – FlexTower 81kWh Capacity
Introducing the Fortress Power FlexTower, a pioneering energy storage system designed to meet diverse energy needs across various environments. This innovative solution, leveraging the substantial storage capability of up to 81kWh, seamlessly integrates with solar arrays, offering unmatched reliability and efficiency.
Product Features
Robust Lithium Battery Design
The eFlex 5.4 is engineered with a focus on versatility, handling diverse applications and harsh weather conditions with ease. This market-leading system features a highly advanced Digital Processor Battery Management System (BMS) for precise control.
Advanced Enclosure Design
The patented enclosure design provides exceptional thermal performance, surpassing competitors by four times. This IP65-rated enclosure is also dust and waterproof, suitable for both indoor and outdoor installations.
Optimized Communication Capabilities
Featuring Canbus, Modbus, and Wi-Fi communication, the FlexTower supports Internet-of-Things (IoT) compatibility, enabling seamless integration with various digital systems and 48V inverters.
Flexible Installation Options
Adapt to different spaces with flexible mounting such as wall mount, floor stand, or standard 19€ industrial server rack mount. The design ensures the system fits perfectly in any setup.
High Efficiency and Longevity
The battery system achieves greater than 98% efficiency at 0.5C and supports up to 8,000 cycle life at 80% Depth of Discharge (DoD), providing long-lasting and efficient power storage solutions.
How It Works
The Fortress Power FlexTower works by harnessing its eFlex 5.4 lithium batteries in a scalable setup that can expand up to 81kWh. It integrates sophisticated components ensuring reliable performance across various applications.
Digital Processor Battery Management System (BMS)
This BMS ensures the precise monitoring and balancing of cell voltage and temperature, enhancing the battery€™s longevity and reliability, making it ideal for continuous power management.
Integrated Communication Systems
The unit€™s advanced communication interfaces allow it to work efficiently with most inverters, ensuring optimal performance and intelligent energy management across networks.
Modular and Scalable Design
The system’s modular approach enables flexible scaling, supporting multiple installation scenarios and varying power requirements, from small homes to large commercial infrastructures.
Specifications
| Nominal Voltage | 51.2V |
| Nominal Capacity | 105AH |
| Rated Capacity @ 0.5C (50A) | 5.374 kWh |
| Efficiency | >98% |
| Enclosure Protection | IP65 |
| Cycle Life | 8,000 (@ 80% DoD) |
| Charging Voltage | 54.4V |
| Temperature Range | -4°F to 131°F (-20°C to 55°C) |
| Max. Surge Power Rate | 130A (6.6 KW 5S) |
| Warranty | 10 Years |
