Fortress Power has proudly serviced homeowners and commercial clients worldwide. Our Pennsylvania-based team’s passion for cl ... ean energy storage using Lithium Iron Phosphate batteries has earned us a place among the world’s top energy storage battery manufacturers. We pride ourselves on bringing of businesses and households energy storage products they can depend on, built from only the highest quality, highest powered lithium ferrite phosphate batteries. 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. read more