About UltraMax – UK LiFePO₄ Battery Manufacturer
Powering Reliability with Advanced Battery Solutions
About ULTRAMAX
Delivering advanced power solutions for over four decades. We combine global manufacturing scale with local expertise to power the future of energy storage and mobility.
45+
Years Experience
5
Global Locations
£75m
Net Assets
0
Long Term Debt
Ultramax Batteries is a UK-based battery specialist headquartered in London, providing high-performance battery solutions for a wide range of industries and applications. With a strong commitment to quality, reliability, and innovation, Ultramax has established itself as a trusted supplier of dependable power solutions for businesses and consumers across the United Kingdom and beyond.
Our mission is simple: to deliver reliable energy solutions that power technology, mobility, and everyday life. Through carefully selected products, rigorous quality standards, and dedicated customer support, we ensure our batteries perform when it matters most.
Our Expertise
OUR CAPABILITIES & TECHNOLOGY
LFP Technology
Lithium Iron Phosphate for superior safety & cycle life.
AI-Powered BMS
Intelligent load balancing and predictive maintenance.
Immersed Tech
Fully immersed battery cooling for thermal stability.
Monitoring Devices
Real-time performance tracking and analytics.
Ultramax specialises in supplying and distributing a comprehensive range of rechargeable and industrial batteries, designed to meet the needs of both commercial and specialist applications. Our portfolio includes solutions used in:
Mobility and medical equipment
Security and alarm systems
Renewable energy storage
Industrial equipment and backup power
Consumer electronics and portable devices
By working closely with trusted manufacturing partners and maintaining strict quality control, we ensure that every product delivered under the Ultramax name meets high standards of performance and reliability.
Commitment to Quality
Quality is at the heart of everything we do. Each product is carefully sourced and tested to ensure durability, safety, and long‑term performance. Our team continually evaluates new technologies and innovations within the energy storage sector to ensure we remain at the forefront of battery solutions.
This commitment enables Ultramax to provide products that meet the demands of both professional users and everyday consumers.
Serving the UK and Global Markets
From our base in London, Ultramax supports customers throughout the UK and international markets. Our efficient distribution network allows us to deliver battery solutions quickly and reliably, ensuring businesses have access to the power they depend on.
We pride ourselves on building long‑term relationships with customers, partners, and suppliers, founded on trust, service excellence, and consistent product performance.
Our Vision
Our vision is to become a leading provider of reliable energy storage solutions by continuously improving our products, expanding our capabilities, and supporting the evolving energy needs of modern industries.
At Ultramax, we believe that dependable power drives progress , and we are committed to delivering solutions that help our customers move forward with confidence.
UltraMax is a UK-based manufacturer of high-performance Lithium Iron Phosphate (LiFePO₄) batteries, supplying reliable energy storage solutions for industrial, commercial, mobility, marine, and renewable energy applications. With engineering expertise, ISO-certified processes, and a global manufacturing footprint, we design and produce battery systems built for long service life, safety, and consistent real-world performance. Our focus is simple: deliver dependable lithium battery solutions that meet the technical, operational, and commercial requirements of our customers.
Our Story & UK Engineering Heritage
UltraMax combines UK engineering expertise with scalable international manufacturing to deliver high-quality lithium battery solutions at competitive lead times. Our operations span the UK and the Far East, allowing us to balance technical oversight, rigorous quality control, and efficient production.
We work closely with OEMs, distributors, and commercial customers across Europe and international markets, supporting applications where reliability, safety, and performance are critical.
What We Manufacture
UltraMax designs and manufactures a wide range of LiFePO₄ battery solutions engineered for demanding applications.
LiFePO₄ Battery Products
- Mobility and accessibility batteries
- Golf trolley and leisure batteries
- Marine and onboard power systems
- Renewable energy and off-grid storage
- Industrial and commercial power solutions
Our LiFePO₄ batteries are chosen for their long cycle life, stable chemistry, high efficiency, and suitability for continuous-use environments.
Chargers & Power Accessories
In addition to battery packs, UltraMax supplies compatible chargers, charge controllers, and supporting power accessories designed to optimise battery performance and lifespan.
Custom & OEM Battery Solutions
UltraMax supports OEMs and commercial partners with bespoke battery engineering and white-label manufacturing. Our team works collaboratively to develop battery systems tailored to specific electrical, mechanical, and environmental requirements.
We support the full product lifecycle, including:
- Application analysis and specification review
- Cell selection and pack architecture design
- CAD modelling and prototyping
- Performance testing and validation
- Certification support and scalable production
This flexible approach enables partners to bring reliable, market-ready battery solutions to customers with confidence.
Our Manufacturing Process
Every UltraMax battery is developed using a structured, quality-led process to ensure consistent performance and long-term reliability:
- Technical requirements and application assessment
- Cell evaluation and electrical configuration
- Mechanical design and prototype development
- Performance, safety, and durability testing
- Controlled production and final quality inspection
UltraMax operates under ISO 9001:2015 quality management standards, ensuring traceability, consistency, and compliance across all manufacturing stages.
Why Choose UltraMax
Customers choose UltraMax for more than just battery supply. We are a long-term technical partner committed to product performance and customer success.
- UK engineering oversight with global manufacturing capability
- Proven LiFePO₄ technology with long cycle life
- Custom and OEM manufacturing expertise
- Rigorous quality control and testing processes
- Responsive technical support and reliable supply
Our batteries are trusted in applications where downtime is not an option.
Talk to Our Team
Whether you require a standard LiFePO₄ battery, a custom-engineered solution, or OEM manufacturing support, our team is ready to help. We work closely with customers to ensure every battery system is safe, efficient, and fit for purpose. [Contact Us]