Stay online while the grid goes down

Feel confident that you are providing your customers safety from storms and outages through reliable, energy-conscious technology solutions, and having them less reliant on the grid.


Safe and reliable solar battery backup system.


Expert training, design, and installation guidance.


Superior customer service and tech support.


Affordable and simple financing options. 

Have questions? Email: [email protected]
Fortress Power


We’re confident we’re a good fit for your energy storage needs, but we want you to find that out for
yourself. Contact us to learn more about our innovative, personalized storage solution that grows with
you and fits seamlessly into your lifestyle.
Easy to install Updated

Easy to Install

These AC and DC Coupled solutions
allow you to add energy
storage to your existing PV
array easily.

Safe long lasting Updated

Safe & Long Lasting

We use the safest lithium
ferro phosphate technology
with 6,000 life cycles

Flexible design Updated

Flexible Design

Our systems can be
configured to match your PV
array size and your load

Large storage capacity Updated

Large Storage Capacity

Our storage units are
available in 5.4 and
18.5kWh and are scalable
to 370kWh.

Why Choose

Fortress Power?

  • Grow your business by providing your solar clients safe, reliable and highly efficient
    battery storage systems
  • Our easy-to-install solution takes only a few hours to hook up the system
  • Free educational training by our in-house engineers and experts
  • Personal design and install support for the best user experience
  • Participate in future product research and development
  • Be a valuable part of our dealer network to help missions of people to access clean
    energy globally.
Fortress Power products use the latest cell technology that provides higher efficiency and a longer life span than other systems. The chart below compares the Fortress Power Lithium Iron Phosphate solution to other systems on the market.
Fortress Power Solution
Other Lithium-ion Solutions
Lead Acid
ApplicationsBackup Power, time of use, self-consumption, and off-gridBackup Power, time of use, self-consumption, and off-gridBackup PowerBackup Power
Depth of Discharge100% 100% 50%N/A
Battery ChemistrySafe TechnologyPotential thermal runway or firingRisk of harmful gasses Environmental Pollution
Life Cycles8,000+ (15+ years) 3,000 500-1,000 N/A
Warranty10 years 10 years 6 months 2 years
Fuel cost $0$0$0$70-$130 per day
MaintenanceNoNoEvery 6 months Yes
Energy Cost ($/kWh)0.14 0.300.650.50

Enrolling in our dealer program entitles you to discounted pricing on all Fortress Power products as well as receiving complimentary product training and technical support. Fortress Power will also provide you with free leads and access to our co‐marketing program. The co‐marketing program will provide you with options of merchandise, advertising strategies, and promotional postcards.

Once you complete your application, a member of our team will get in touch with you and get the process moving!

The Fortress Power “Products” tab above has the resources you need, but if you still have questions, you can reach out to [email protected]

Looking forward to a prosperous business relationship for years to come.

We educate

To help you choose the right Energy Storage solution!

Installer Loyalty Program

Become a fully-certified, trusted installer and get access to resideintal customer requests directly through our website. Stay up-to-date with the latest Fortress Power news by signing up today!

Fortress Power Events

We believe in staying connected with our partners. From hosting free training webinars to attending industry shows like the Renewable Energy World Conference and Expo each year, there are many ways for you to get your solar backup solution questions answered by us!
Fortress Power

Financing Options

We strive to manufacture compact and reliable battery systems at affordable prices. You’ll never be left
in the dark when you secure your energy with Fortress Power.

Fortress Power has partnered with the following Financial Institutions to help you make Energy Storage
more accessible.