Power that
responds instantly
Lithium systems for ambulances, designed for seamles integration, zero compromises on uptime.
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When response time matters, power should never be a question mark. Super B delivers lithium battery systems engineered for professional vehicle builders and fleet integrators, fast to integrate, intelligent in operation, and built to perform in the most demanding conditions.
Whether you sail, navigate, race, or fish for fun or professionally, having reliable power is essential. Super B lithium batteries provide long-lasting, dependable energy for all types of vessels. With lithium iron phosphate technology (LiFePO4), you can navigate independently, free from noise, vibrations, or exhaust fumes.
Leisure boats and yachts prioritize comfort and safety. Super B lithium batteries enhance your onboard experience by providing silent, reliable power. Enjoy beautiful harbors and spots with no noise, vibrations, or exhaust fumes, ensuring a stress-free aquatic journey.
Super B lithium batteries are engineered for durability and safety. They charge quickly, discharge slowly, and hold their charge longer than lead-acid batteries. With a higher energy density, they require less space and weight—perfect for leisure marine applications.
Spend less time charging and more time on the water. Super B lithium batteries can fully recharge within one hour, giving you the freedom to extend your journey without compromise.
Store your boat over long periods without worry. With a 10x lower self-discharge rate than lead-acid batteries, Super B lithium batteries are ready to power your next adventure whenever you are.

WAS, one of Europe's leading ambulance builders, integrates Epsilon systems in their vehicles. Because when you're building vehicles that cannot fail, you choose a battery you can depend on.
Super B develops and produces lithium battery systems in the Netherlands. Our batteries aren’t just built out of off-the-shelf components – we design them ourselves, from the software to the BMS.
Our battery systems don’t include any compromises, so you can trust them everyday.
An ambulance requires a battery that does not look good on paper, but that starts up instantly, retains its charge throughout an entire shift, and keeps all vital equipment operational. Epsilon is made for that exact purpose.Compact, high-performance, and engineered for easy installation into commercial vehicles.


We prioritize safety by using advanced Lithium Iron Phosphate chemistry and custom-developed housings, ensuring reliability in every use.
With over 17 years of expertise, Super B batteries are trusted across industries, from automotive to renewable energy, proving their durability and versatility.
All our batteries are engineered and produced in our facility in the Netherlands, where innovation meets exceptional craftsmanship.
We deliver top-quality lithium batteries with uncompromising attention to detail, designed to meet the highest performance and reliability standards.
Designed by leading lithium experts and developed in cooperation with top institutes, our batteries are built to meet real-world needs.
Collaborating with trusted distributors, partners, and industry leaders to provide tailored solutions and an unparalleled customer experience.

The Epsilon 12V 150Ah delivers the reliability and integration-readiness that emergency vehicle builders require.
Direct integration with vehicle systems and body builders.
Reliable cold starts down to -30°C
Handles real operational loads
Issues flagged before they reach the field
Compliant for professional vehicle use, >5000 cycles.
Epsilon batteries are designed to perform in demanding vehicle environments and meet international certification standards including CE, FCC, UKCA, UN 38.3 and UN ECE R10.06.
To make sure our products adhere, we were certified by notified bodies such as DEKRA and TUV.
This makes them suitable for professional deployment by OEMs, system integrators and fleet builders.

Backed by a global service network, support is always close by. Wherever you are, certified partners ensure fast and professional assistance when needed.