ePower Go

CLEARANCE SALE ENDS IN
00
HOURS
|
00
MINUTES
|
00
SECONDS
SHOP NOW!
clearance Sale Ends In
Hours
Minutes
Seconds
shop now!

Fortress Power Durarack with 4 eFlex Batteries – IP65 Outdoor Rated Enclosure with 4 eFlex Units Included, Total Capacity of 21.6 kWh

Free Shipping
CLEARANCE SALE
1 Review

9999 in stock

SKU:FPDURARACK4EF

Original price was: $15,199.00.Current price is: $14,287.99.

9999 in stock

clearance Sale Ends In
Hours
Minutes
Seconds

authorized dealer, shop your favorite brand.

Expert Support, Dial +1 (888) 851-3898

Limited Supply, grab it before it's gone.

Lowest prices, As low as possible.

All Item are brand New, Never used.

Recently Viewed Products

Description

 

Fortress Power Durarack with 4 eFlex Batteries – IP65 Outdoor Rated Enclosure with 4 eFlex Units Included, Total Capacity of 21.6 kWh

Introducing the Fortress Power Durarack – the ultimate outdoor energy storage solution for your home or business. The Durarack is an IP65 rated enclosure that can hold up to 4 eFlex batteries, providing you with a total capacity of 21.6kWh. This high-performance energy storage system is designed to provide reliable and sustainable power backup for extended periods, even in harsh outdoor environments.

Features
  • IP65 rated outdoor enclosure
  • Holds up to 4 eFlex batteries, providing a total capacity of 21.6kWh
  • Lithium iron phosphate (LFP) technology for long-lasting performance
  • Advanced battery management system for optimal performance and safety
  • Easy to install and maintain
  • Compatible with a wide range of solar inverters and charge controllers
  • Designed to withstand harsh environments and extreme temperatures
  • UL9540 and UN38.3 safety certifications
  • 10-year warranty for added peace of mind.
  • Comes with 4 eFlex units included

With the Fortress Power Durarack, you can rest easy knowing that your energy needs are fully covered, even during power outages. This powerful and durable energy storage system is the perfect addition to any solar panel system, providing you with reliable and sustainable energy storage for years to come. The Durarack is an ideal choice for those who need an outdoor rated energy storage solution and want to save on the cost of purchasing the batteries separately.

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
What Our Experts Think
  • Impressive Capacity: With 4 eFlex batteries and a total capacity of 21.6 kWh, it provides substantial energy storage for both residential and commercial needs.
  • All-Weather Durability: The IP65 outdoor-rated enclosure ensures the system is weatherproof and reliable in harsh environments.
  • Built-In Active Cooling: Includes an active cooling fan to maintain optimal performance even under heavy usage or high temperatures.
  • Scalable & Modular: Ideal for expanding as your energy needs grow, thanks to the modular design with 4 eFlex units.
  • Efficient Energy Solution: Perfect for integrating with solar systems or providing backup power for homes and businesses.
Q&A

Q: What is the Fortress Power Durarack with 4 eFlex Batteries?
A: A robust energy storage system with 4 eFlex battery units, offering a total capacity of 21.6 kWh, housed in an IP65-rated outdoor enclosure for reliable performance and weather resistance.

Q: What are its key features?
A:

  • Includes 4 eFlex battery units for a total of 21.6 kWh storage capacity.
  • IP65 outdoor-rated enclosure for protection against dust and water, suitable for outdoor installation.
  • Built-in active cooling for efficient temperature management.
  • Durarack design ensures secure and easy installation.
  • Inverter not included, allowing flexibility to choose the ideal inverter for your system.

Q: Can it be installed outdoors?
A: Yes, the IP65 rating ensures it is durable and fully weatherproof, ideal for outdoor environments.

Q: How much power does it store?
A: With 4 eFlex units, it provides a total of 21.6 kWh of energy storage for backup or off-grid use.

Q: Who is it ideal for?
A: Perfect for residential, commercial, or off-grid systems needing reliable, scalable energy storage with flexibility in inverter selection.

Maintenance Tips
  • Environmental Protection: Ensure the IP65-rated outdoor enclosure is properly sealed to prevent dust, water, and debris from entering.
  • Cooling System: Regularly check and clean the active cooling fan and vents to ensure proper airflow and temperature regulation.
  • Monitor Battery Health: Use the Battery Management System (BMS) to track individual eFlex unit performance and health.
  • Inspect Connections: Periodically check all electrical connections for tightness and signs of wear or corrosion.
  • Optimal Temperature: Maintain the system within the recommended operating temperature range (32°F–113°F or 0°C–45°C) for peak performance.
  • Regular Cleaning: Clean the exterior of the enclosure with a damp cloth to prevent dust buildup and maintain airflow.
  • Firmware Updates: Stay up to date with the latest firmware updates to ensure optimal functionality and performance.

Additional information

Badge

<div style='display:none' class='jdgm-prev-badge' data-average-rating='0.00' data-number-of-reviews='0' data-number-of-questions='0'> <span class='jdgm-prev-badge__stars' data-score='0.00' tabindex='0' aria-label='0.00 stars' role='button'> <span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span> </span> <span class='jdgm-prev-badge__text'> No reviews </span> </div>

Widget

<div class='jdgm-rev-widg' data-updated-at='2025-06-01T02:05:11Z' data-average-rating='0.00' data-number-of-reviews='0' data-number-of-questions='0'> <style class='jdgm-temp-hiding-style'>.jdgm-rev-widg{ display: none }</style> <div class='jdgm-rev-widg__header'> <h2 class='jdgm-rev-widg__title'>Customer Reviews</h2> <div class='jdgm-rev-widg__summary'> <div class='jdgm-rev-widg__summary-stars' aria-label='Average rating is 0.00 stars' role='img'> <span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span> </div> <div class='jdgm-rev-widg__summary-text'>Be the first to write a review</div> </div> <a style='display: none' href='#' class='jdgm-write-rev-link' role='button'>Write a review</a> <div class='jdgm-histogram jdgm-temp-hidden'> <div class='jdgm-histogram__row' data-rating='5' data-frequency='0' data-percentage='0'> <div class='jdgm-histogram__star' role='button' aria-label="0% (0) reviews with 5 star rating" tabindex='0' ><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span></div> <div class='jdgm-histogram__bar'> <div class='jdgm-histogram__bar-content' style='width: 0%;'> </div> </div> <div class='jdgm-histogram__percentage'>0%</div> <div class='jdgm-histogram__frequency'>(0)</div> </div> <div class='jdgm-histogram__row' data-rating='4' data-frequency='0' data-percentage='0'> <div class='jdgm-histogram__star' role='button' aria-label="0% (0) reviews with 4 star rating" tabindex='0' ><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–off'></span></div> <div class='jdgm-histogram__bar'> <div class='jdgm-histogram__bar-content' style='width: 0%;'> </div> </div> <div class='jdgm-histogram__percentage'>0%</div> <div class='jdgm-histogram__frequency'>(0)</div> </div> <div class='jdgm-histogram__row' data-rating='3' data-frequency='0' data-percentage='0'> <div class='jdgm-histogram__star' role='button' aria-label="0% (0) reviews with 3 star rating" tabindex='0' ><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span></div> <div class='jdgm-histogram__bar'> <div class='jdgm-histogram__bar-content' style='width: 0%;'> </div> </div> <div class='jdgm-histogram__percentage'>0%</div> <div class='jdgm-histogram__frequency'>(0)</div> </div> <div class='jdgm-histogram__row' data-rating='2' data-frequency='0' data-percentage='0'> <div class='jdgm-histogram__star' role='button' aria-label="0% (0) reviews with 2 star rating" tabindex='0' ><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span></div> <div class='jdgm-histogram__bar'> <div class='jdgm-histogram__bar-content' style='width: 0%;'> </div> </div> <div class='jdgm-histogram__percentage'>0%</div> <div class='jdgm-histogram__frequency'>(0)</div> </div> <div class='jdgm-histogram__row' data-rating='1' data-frequency='0' data-percentage='0'> <div class='jdgm-histogram__star' role='button' aria-label="0% (0) reviews with 1 star rating" tabindex='0' ><span class='jdgm-star jdgm–on'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span><span class='jdgm-star jdgm–off'></span></div> <div class='jdgm-histogram__bar'> <div class='jdgm-histogram__bar-content' style='width: 0%;'> </div> </div> <div class='jdgm-histogram__percentage'>0%</div> <div class='jdgm-histogram__frequency'>(0)</div> </div> <div class='jdgm-histogram__row jdgm-histogram__clear-filter' data-rating=null tabindex='0'></div> </div> <div class='jdgm-rev-widg__sort-wrapper'></div> </div> <div class='jdgm-rev-widg__body'> <div class='jdgm-rev-widg__reviews'></div> <div class='jdgm-paginate' data-per-page='5' data-url='https://api.judge.me/reviews/reviews_for_widget&#039; style="display: none;"></div> </div> <div class='jdgm-rev-widg__paginate-spinner-wrapper'> <div class='jdgm-spinner'></div> </div> </div>

Reviews

There are no reviews yet

Be the first to review “Fortress Power Durarack with 4 eFlex Batteries – IP65 Outdoor Rated Enclosure with 4 eFlex Units Included, Total Capacity of 21.6 kWh”

Your email address will not be published. Required fields are marked *

Overall rating*
0/5
* Rating is required
5
0/5
* Rating is required

Secure Payments

Guaranteed Safe Checkout

Free Shipping

Free Shipping Across Continental US

Authorized Dealer

Official Brand Product Reseller

wpChatIcon
wpChatIcon