21.6kWh Fortress Battery Bank 48VDC LFP Manual

eFlex 5.4
Cell Type Tier 1 Automotive Prismatic LiFeP04
Total Energy (kWh) 5.4
Max. Charge Current (Continuous) [A] 100
Max. Discharge Current (Continuous) [A] 100
Max. Pulse Current (for 5sec) [A] 130
Capacity [Ah] 105
Voltage Range [V] 44-58.4
Charging Temperature [F] 32 to 114 (0 C - 45 C)
Discharging Temperature [F] -4 to 131 (-20 C - 55 C)
Storage Temperature [F] 20 to 95 (-6 C to 35C)
Dimension [LxWxH, Inch] 18 x 23 x 7.3 ( 446 x 546 x 193 mm)
Weight [lbs] 108 (49 kg)
Warranty 10 Years
Life Cycles 8,000 @ 80% DoD
Round Trip Efficiency >98%
Depth of Discharge Up to 100%
Scalability Max 15 Units (81 kWh)
Enclosure Protection IP65 for water and dust protection
Certifications UL9540, UL9540A, UL1973, UL1642, CEC, SGIP, UN 38.3
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Compatible with Most
Inverters on the Market
Fortress Power proudly services homes, businesses, utilities, telecom and transportation companies worldwide. Our Pennsylvania-based team’s
passion for clean energy storage has earned us a place among the world’s top energy storage battery manufacturers.
Our logistics centers in California, Florida and Pennsylvania offer easy distribution to all of our major markets. Fortress Power’s high-performance
solar lithium battery storage products are designed, engineered and inventoried along with live technical support in the United States.
Fortress Power has partnered with industry leading lending institutions to help make your solar investment as easy as possible. Please visit our
website for purchasing and financing options.
eFlex 5.4 kWh Lithium Storage Battery
Fortress Power is a manufacturer of high-performance solar lithium battery storage products that are
designed, engineered and inventoried along with live technical support in the United States!
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