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Fortress Power > eFlex MAX 48 Volt 5.4kWh (105AH) Battery - LiFeP04
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Fortress Power eFlex MAX
Buy 3, get the 4th eFlex MAX FREE!
Use at checkout Promo Code: eFlex4thFree
Promotion valid now, until April, 1st 2025!!!
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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.
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Model
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eFlex MAX 5.4
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Series
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eFlex
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Manufacturer
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Fortress Power
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Electrical Specifications
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Nominal Voltage:
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51.2V
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Nominal Capacity:
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105AH
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Rated Capacity @ 0.5C (50A):
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5.374 kWh
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Resistance:
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<10 mΩ
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Efficiency (at 0.5C):
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>98%
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Self-Discharge:
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<1 % / Month
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Maximum Allowed Modules in Parallel:
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16 (86.4kWh)
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Depth of Discharge
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Up to 100%
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Warranty
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10 Years
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Cycle Life
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8,000 (@ 80% DoD)
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Temperature Specifications
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Discharge Temperature:
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-4°F~131°F (-20°C ~ 55°C)
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Charge Temperature:
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32°F ~ 114°F (0°C ~ 45°C)
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Storage Temperature:
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20°F ~ 95°F (-6°C ~ 35°C)
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Mechanical
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Type
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Lithium Iron Phosphate (LiFePO4)
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Dimensions (L x W x H)
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17.5" x 24.2" x 7.2"
(446 x 184 x 616 mm)
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Weight
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108 lbs
(49kg)
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Terminal Type
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M8
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Ring Terminal Size:
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3/8ths or larger
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Terminal Torque
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7.0 – 7.7 Nm
(5.1 – 5.7 ft-lb)
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Terminal Cover
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1 set, Waterproof
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Case Material
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Anodized Aluminum
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Enclosure Protection
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Tier 1 Automotive Prismatic - LiFeP04
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Cell Type Chemistry
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IP65
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Shipping Classification
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UN 38.3, CLASS 9
(Lithium Ion Battery)
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Shipping Method
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Freight
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Compliance Specifications
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Certifications:
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UL1973
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Shipping Classification:
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UN 38.3, CLASS 9
(Lithium Ion Battery)
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Documentation
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Data Sheet
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Fortress Power eFlex MAX
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Flyer
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Fortress Power eFlex MAX Battery - What's New?
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