Lithium iron phosphate (LiFePO4) batteries and energy storage solutions are designed, developed, and produced by the American company RELiON Batteries. The business was established in 2014, and its US headquarters are in Monroe, Connecticut. This article highlights the top 10 lithium iron phosphate battery manufacturers worldwide, each contributing to the growth and innovation of the global energy market. 47 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 13. 8% during the forecast period (2025-2032)., Revolution Power Australia Pty Ltd, Dometic Power & Control (Enerdrive) Pty Ltd, Invicta Lithium Batteries, Contemporary Amperex. This guide explains who makes LFP batteries, compares the top LiFePO4 battery manufacturers, and outlines how to evaluate an LFP battery company for EV, ESS, and custom OEM applications.