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Fortress Power eFlex MAX > 48 Volt 5.4kWh (105AH) LiFeP04 Battery
Fortress Power eFlex MAX > 48 Volt 5.4kWh (105AH) LiFeP04 Battery
 
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Our Price: $1,924.00
Warranty: 10 years (8000 Cycles @ 80% DoD)


Product Code: FORTRESS-POWER-EFLEX-MAX-5.4
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Description Videos Datasheet
 

Fortress Power > eFlex MAX 48 Volt 5.4kWh (105AH) Battery - LiFeP04

NOTE: eFlex 5.4 G2 and eFlex MAX batteries are NOT compatible in the same system.

Fortress Power designed the new eFlex MAX 5.4 with a goal of building the world most robust lithium battery for all different application scenarios and harsh weather conditions.

  • Tier 1 Automotive Prismatic Lithium Iron Phosphate Cell with the highest cycle life.
  • Patented Enclosure design achieves 4 times better thermal performance than our competitors.
  • IP 65 Dust and Water Proof design for outdoor install.
  • Mounting options include wall mount, floor-stand or 19” industrial server rack mount.
  • Busbar included.

Fortress Power's market leading Digital Processor Battery Management System (BMS) includes:

  • Minimal idle consumption (2W).
  • Integrated 125A breaker.
  • Individual cell voltage & temperature monitoring and balancing for maximum reliability and longevity.
  • Canbus, Modbus, OTA firmware updates, remote monitoring.
  • Advanced closed loop communication with most 48V inverters.
Model eFlex MAX 5.4
Series eFlex
Manufacturer Fortress Power

Electrical Specifications

Nominal Voltage: 51.2V
Nominal Capacity: 105AH
Rated Capacity @ 0.5C (50A): 5.374 kWh
Resistance: <10 mΩ
Efficiency (at 0.5C): >98%
Self-Discharge: <1 % / Month
Maximum Allowed Modules in Parallel: 16 (86.4kWh)
Depth of Discharge Up to 100%
Warranty 10 Years
Cycle Life 8,000 (@ 80% DoD)

Temperature Specifications

Discharge Temperature: -4°F~131°F (-20°C ~ 55°C)
Charge Temperature: 32°F ~ 114°F (0°C ~ 45°C)
Storage Temperature: 20°F ~ 95°F (-6°C ~ 35°C)

Mechanical

Type Lithium Iron Phosphate (LiFePO4)
Dimensions (L x W x H) 17.5" x 24.2" x 7.2"
(446 x 184 x 616 mm)
Weight 108 lbs
(49kg)
Terminal Type M8
Ring Terminal Size: 3/8ths or larger
Terminal Torque 7.0 – 7.7 Nm
(5.1 – 5.7 ft-lb)
Terminal Cover 1 set, Waterproof
Case Material Anodized Aluminum
Enclosure Protection Tier 1 Automotive Prismatic - LiFeP04
Cell Type Chemistry IP65
Shipping Classification UN 38.3, CLASS 9
(Lithium Ion Battery)
Shipping Method Freight

Compliance Specifications

Certifications: UL1973
Shipping Classification: UN 38.3, CLASS 9
(Lithium Ion Battery)

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