Fortress Power
Fortress Power eFLEX 5.4 kWh G2 Lithium Iron Phosphate Battery With Mounting Brackets
Fortress Power eFLEX 5.4 kWh G2 Lithium Iron Phosphate Battery With Mounting Brackets
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This battery can only ship via freight truck. If you have any questions about shipping methods, please email us or call us at 928 260-3648.
This kit is the eFLEX 5.4 G2 version that comes with the wall mounting brackets.
Fortress Power announces the eFlex 5.4 kWh scalable energy storage battery solution. The unit uses safe and high energy density prismatic Lithium-Iron-Phosphate cells. The battery has a built-in data storage and Wi-Fi for remote monitoring and troubleshooting ability. The smart relay-based Battery Management System (BMS), supports closed-loop communication with various 48V hybrid inverters on the market. Additionally, the BMS monitors and balances the voltage and temperature of each individual cell to maximize reliability and longevity. It has the highest round trip efficiency in the industry at 98%. This unit has wall mounting functionality and fits well into standard server racks for large systems.
High Durability and long-lasting: 10 Year Warranty(or completion of 8000 cycles at 80% DOD or 3000 cycles at 100% DOD) with the safe and premium prismatic Lithium-Iron-Phosphate cells
Versatile Applications: Expandable from 5.4 kWh to 81 kWh for residential, commercial, railway, military and telecommunications applications
Lowest Cost Per Cycle: High energy throughout with exceptional life span (6000+ cycles) and hight round-trip efficiency (>99%)
Monitor from Anywhere: The battery has a built-in data storage Wi-Fi for remote monitoring and troubleshooting ability
Waterproof and saltwater resistant: The sleek-looking aluminum cabinet has IP65 waterproof rating to prevent salt-water corrosion
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Once I got the plan set, it was easy to install... it was amazing how quick it went once everything was all set up. I knew what to expect, I knew what the inspector would be looking for... you guys were there to back me up, so it was the smartest option for me.
Dan F.

You guys are my guys when it comes to solar. When I got stuck, making a phone call or appointment was one of the huge keys to how well this worked. The confidence and encouragement... it validated that I could do it.
Mike O.

As a DIYer, it's all plug and play, so it's incredibly straightforward... you have certified engineers doing your designs, therefore they're gonna be safe electrically and structurally. That to me is a big peace of mind when I did this.
Tim G.