Ultramax Batteries

UltraMax | UK-Based Manufacturer of Advanced LiFePO₄ Battery Solutions UltraMax is a UK-based manufacturer of Lithium Iron Phosphate (LiFePO₄) and advanced battery systems, supplying innovative energy solutions to clients worldwide. With manufacturing facilities in both the United Kingdom and the Far East, UltraMax delivers the perfect combination of British engineering, global reach, and scalable production. For over two decades, we’ve been powering progress across multiple industries – from renewable energy storage and electric mobility to OEM, industrial, and leisure applications. Our in-house R&D and engineering teams specialise in the design, development, and manufacture of LiFePO₄ batteries tailored to the exact needs of our customers. We offer OEM, white-label, and custom battery solutions, supporting brands and manufacturers seeking reliable, safe, and high-performance power systems. Every UltraMax battery is built to rigorous international standards, ensuring exceptional safety, long cycle life, and consistent performance in demanding environments. UltraMax is proudly engaged in collaborative innovation projects through Innovate UK, working with industry leaders such as Shell, Mivolt, and the University of Bath to advance the next generation of battery technologies. Whether you require scalable home and commercial energy storage, e-mobility batteries, or bespoke industrial power systems, UltraMax delivers dependable energy designed to perform and built to last. Our Expertise: LiFePO₄ Battery Manufacturing (UK & Far East) OEM, White Label & Custom Solutions Renewable Energy & Home Storage Systems Industrial & Mobility Battery Applications Research & Development Partnerships Empowering industries worldwide — engineered in the UK, trusted across the globe.