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5.4 kWh Fortress eFlex Lithium Battery 48V

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SKU:
eFlex-4.5
MPN:
eFlex-5.4
Availability:
SHIPS 2 - 4 WEEKS
Shipping:
$300.00 (Fixed Shipping Cost)
  • 5.4 kWh Fortress Power eFlex 5.4 Lithium Battery
  • 5.4 kWh Fortress Power eFlex 5.4 Lithium Battery
  • 5.4 kWh Fortress Power eFlex 5.4 Lithium Battery
$4,000.00

Description

The Fortress Power eFlex 5.4 is a 5.4 kWh 48V Lithium Ferro Phosphate (LFP) battery with a maintenance-free design. The Fortress Lithium Battery is easy to integrate with solar or for independent operation to deliver power to your home day or night. The eFlex is consistently reliable and will keep your solar system operating during a power outage, or use the energy stored from the daytime to power your home at night.

The eFlex 5.4 has 5.374 KWH total capacity that can expand up to 80 kWh with 15 units in parallel. Features inc lude a 10 year warranty, built-in Wifi for on-line monitoring, close-loop communication with 48V inverters. The included battery management system integrates multi-level safety features including overcharge and deep discharge protection, voltage and temperature observation, cell monitoring and balancing, and a built-in accessible 125 Amp DC breaker On/Off switch.

This high-performance Fortress Lithium Battery has a large power capacity, with a fast charging and continuous discharge power, creating a 98% rough-trip conversion. The advanced Lithium Ferro Phosphate (LFP) technology operates a wider temperature range to deliver the most dependable performance. LFP has been proven to be one of the safest Lithium technologies in the industry and is manufactured to the highest standards.

Compatible with Sol-Ark and other 48V solar inverters, Fortress Power batteries are ideal energy storage solutions for grid-tied or off-grid solar installations. Lower your utility bill by avoiding the need to buy electricity at peak times with the Fortress Lithium Battery. Eligible for tax credits and rebates when used with solar, and backed by a 10-year warranty. Order online or by PHONE 888-498-3331


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Product Highlights

  • Provides power during grid outages
  • Designed for backup power, time of use, self-use, and off grid applications
  • Increases independence from the utility grid
  • No maintenance and operation costs 
  • Built-in Battery Management System
  • Easy to install with a compact design
  • Built-in accessible 125 Amp DC breaker On/Off switch
  • Eligible for tax credits and rebates when used with solar
  • 10 year warranty
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Parts / Specifications

Manufacturer:
Fortress Power
Model Number:
eFlex 5.4
Technology:
Lithium Ferro Phosphate (LFP)
Total Energy (kWh):
5.374kWh
Capacity (Ah):
105Ah
Nominal Voltage (V):
48V
Voltage Range (V):
44 - 58.4V
Max. Charge Current (Continuous) (A):
80A
Max. Plus Current for 5Sec (A):
180A
Charge Temperature [°F/°C]:
32 - 113 °F (0 °C to 55°C)
Discharge Temperature [°F/°C]:
32 - 140 °F (0 °C to 65°C)
Recommend Storage Temperature [°F/°C]:
41 - 113 °F (5 °C to 55°C)
Dimension (W x D x H):
18 x 23 x 7.3 in
Weight (lbs/kg):
108 lbs
Enclosure Protection Rating:
IP54
Mounting Options:
Wall mount or floor standing rack (sold seperately)
Certificates:
UN3480, UL 1642, CE
Warranty:
10 years
Life Cycle:
6000 cycles @ 80% DoD
Battery Breaker:
125 A
Efficiency:
>98%
Expansion:
Maximum 15 in parallel
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