Fortress Power DuraRack Indoor / Outdoor Enclosure with 4 eFlex 5.4kWh (21.6 kWh) Battery Units Included

Expand your energy storage with the new Fortress Power DuraRack! This iron enclosure stores up to 4 eFlex 5.4kWh batteries. The DuraRack paired with multiple eFlex batteries can build a 48V UPS server rack or provide storage capacity to home solar arrays. The DuraRack includes integrated busbars, wheels, and a DIN rail heater mount. This enclosure can be free-standing or pad mounted and is safe for indoor and outdoor installations.

• IP65 WATER AND DUST RESISTANT FOR BOTH INDOOR AND OUTDOOR INSTALL
• INCLUDES INTERGRATED BUSBARS AND BATTERY CABLES FOR EASY STACKING
• EASY TO ADD DIN RAIL THERMOSTAT FOR COLD CLIMATES
• PASSIVE COOLING VENT FOR WARM CLIMATES
• BUILT ON WHEELS FOR EASY MOVEMENT AND POSITIONING
• EXPANDABLE UP TO 4 UNITS (15 EFLEX BATTERIES; TOTAL 81 KWH)

Specifications

• Enclosure Material: Carbon Steel
• Enclosure Protection: IP65 water and dust proven (outdoor)
• Enclosure Color: White
• Dimensions [W x H x D]: 29.29 x 41.34 x 18.03 in (744 x 1050 x 458 mm)
• Enclosure Weight: 59.6 kg / 153.2 lbs
• Maximum Battery Units: 4 eFlex 5.4
• Storage Capacity Range: 5.4kWh - 21.6 kWh per unit
• Max. Storage Capacity: 81 kWh (4 unites in parallel)
• Knockout Size: 1inch & 2 inch
• Positive and Negative Battery Busbars: 2 x 4 points; M8 (5/16) Terminal Rings
• Positive and Negative Busbars to Inveter: 2 points; m10 (3/8) Terminal Rings
• Battery Cables: 4 sets of
• Terminal Torque: 7.0 - 7.7 Nm (5.1 - 5.7 ft-lb)
• Enclosure Warranty: 3 Years
• Certifications: UL9540, UL9540A, UL1973, CEC, SGIP

• Rugged, Long-lasting, Daily Use Battery
• Safe Lithium Iron Phosphate Technology (LifeP04)
• 98% Round Trip Efficiency
• Flexible Mounting Options
• Remote Monitoring including wifi, modbus, and canbus
• BMS Monitors & Balances Individual Cells
• NRTL certified to UL9540 and UL9540a standards

eFlex 5.4kWh LFP Battery Specifications

• Total Energy (kWh): 18.5
• Capacity[Ah]: 105
• Voltage Range[V]: 48-55
• Max. Charge Current (Continuous)[A]: 100
• Max. Discharge Current (Continuous)[A]: 60
• Max. Pulse Current (for 5 sec) [A]: 130
• Charging Temperature[F]: 32 to 113
• Discharging Temperature[F]: 32 to 140
• Recommended Storage Temperature [F]: 32 to 95
• Dimension [[L x W x H, inch]: 21.5 x 17.5 x 7.2
• Weight[lbs]: 116
• Life Cycles: 6000 @ 80% DoD
• Round Trip Efficiency: >98%

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• Sol-Ark
• Midnite Solar
• OutBack Power
• SMA
• Morningstar
• Phocos
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• Growatt