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Fortress Power

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Our mission is to provide compact, user-friendly, and affordable energy storage solutions using the latest technology for all homes and businesses. Fortress solar energy storage batteries can easily integrate with new and existing PV systems. It simply works by storing clean energy and providing power when you need it.
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eFlex 5.4kWh
eVault Max 18.5kWh
FlexRack (for eFlex batteries)
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4.0
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About Fortress Power

Overview

Fortress Power is a Philadelphia based Lithium Battery manufacturer producing Lithium Ferro Phosphate energy storage batteries.
Year Established
2016
Phone Number
877-497-6937

Services Offered

  • Manufacturing

Certifications

UL 1642, UL 9450, UL 9540A, UL 1973

Other Resources

What Customers Are Saying

Ratings & Reviews

4.0
4 reviews
4.0
Average Rating 4 review(s)
Response
4.5
Quality
4.0
Value
4.0
Service
4.0
Leave a Review
Many installations later... working great.

Having installed 8 eVaults as well as 11 eFLEX's so far, they seem to be doing great. Ease of Installation has been a big plus.

Posted by John.blittersdorf on Feb 06, 2023
Excellent line of renewable energy storage products

Fortress batteries are an excellent alternative for renewable energy product storage solutions.

Posted by aslaughter on Sep 08, 2022
Oh, you will need a laptop and Fortress will send flash drive to reprogram failed Eflex.

New product replete with flaws! Fortress is well aware of failure issues, yet they continue selling a flawed product.

Posted by hpowermark on May 04, 2022
Amazing Products and Service!

High-quality batteries along with fantastic technical support. Fortress Power is the best!

Posted by emmcbain95 on Jul 30, 2021

    • Energy Storage
    • 21.6 kW
    Sol-Ark 12 kwh Hybrid Inverter with Fortress Eflex (21.6 kwh total) lithium batteries
See All Stories (1)

Location

Headquarters

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