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More information on the New eFlex 5.4 battery can be found here: https://www.fortresspower.com/lithium-iron-phosphate-battery-eflex-5-4-kwh/
How we set up the new standards for Lithium battery systems.
About Fortress Power
At Fortress Power, we pride ourselves on bringing businesses and households energy storage products they can depend on, built from only the highest quality, highest powered lithium ferrite phosphate batteries.
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Recent Posts
How Fortress Power Battery Storage Stacks Up Against the Competition
When you take a closer look at battery storage solutions, you see major differences in the products from the top manufacturers. The form and function are different. The aesthetic and capabilities are different. The technology is different. The level of complexity is different. These and other factors need to be taken into account before you decide which battery storage solutions...Read More »Fortress Power Answers Your 10 Most Frequently Asked Questions
We receive questions about our products, services, and capabilities every day from residential solar installers, homeowners, and social media followers. We appreciate these questions because it shows you share our passion for clean, renewable energy and are taking the time to evaluate energy storage battery manufacturers and solutions. Here is a list of the 10 most frequently asked questions and...Read More »Comparing the Top Home Battery Storage Technologies (2020)
Battery storage is the fastest growing market segment in solar, creating new markets as well as solar retrofit expansion opportunities across the USA for renewable projects large and small. Batteries allow the solar array to maximize savings on the electric bill and provide backup power during grid outages. Every offgrid solar array includes a battery, but an increasing number of...Read More »Battery Safety Concerns Can Be Addressed with Proper Design and Manufacturing
Early in December, LG Chem recalled several residential solar battery storage products because of concerns about fire safety. Five fires involving these battery systems have been reported, including an explosion at an energy storage facility in Arizona caused several injuries. According to the recall notice, cells inside the battery units are at risk of overheating and starting fires. This recall...Read More »Why Fortress Power Created the Bigger, Better 18.5kWh eVault Solar Battery
Smaller batteries in the 2.5-10kWh range don’t have the capacity to power a large number of loads in a residential home for a long period of time. Many of these batteries were designed for small, off-grid applications. Simply put, you can’t use a golf cart battery to power a house. Before the Fortress Power eVault came along, you would have...Read More »