
Clarios Supercapacitors
We manufacture advanced supercapacitors—also known as ultracapacitors, supercaps, or ultracaps—that deliver rapid bursts of power essential for today’s vehicles. Available in standard voltages such as 12V, 24V, 36V, and 48V, our ultracaps are designed to complement lithium-ion or lead-acid batteries. They support high-demand systems like steer-by-wire, active suspension, and other critical safety features. By providing instant power and reducing strain on the main battery, our technology enhances performance and reliability in modern, software-driven automotive systems.
The Power of Supercapacitors in Modern Vehicles

Power Boost
Delivers quick bursts of power—even in extreme temperatures—to support critical vehicle systems when the battery needs help.

Powernet Stabilization
Smooths out voltage fluctuations and simplifies low-voltage systems by efficiently buffering energy.

Longer Cycle Life
Lasts much longer than traditional lithium-ion or lead-acid batteries, even in cold conditions.

Safer Design with Higher Power Density
Stores energy physically (not chemically), making it safer and capable of delivering high power without the risks of thermal runaway.
Engineering Excellence
We use our engineering expertise to push supercapacitor technology forward and expand our energy storage options. As vehicles demand more efficient, high-power solutions, our supercapacitors offer unique advantages for the future of mobility.
By working closely with top automotive manufacturers, we integrate high-quality supercapacitor cells into next-generation vehicle systems. We source these cells from trusted partners, allowing us to focus on system-level innovation. This approach helps position us as a leading provider of advanced low-voltage energy solutions.
Powering Advanced Vehicle Features
Our supercapacitors are built to work with almost any type of vehicle—from everyday cars to heavy-duty trucks. They deliver fast power, improve safety, and support sustainability in today’s software-driven vehicles.
Smart Technology
Active Chassis
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Press Releases
Clarios Reaches Milestone: One-Millionth 12 Volt Lithium-Ion Battery produced

Press Releases
CLARIOS SECURES FIRST CONTRACT FOR SUPERCAPACITORS

Press Releases
Clarios Secures First Connected Services Customer

Press Releases
Clarios invests in Altris to accelerate development of software enhanced Low Voltage Sodium-Ion battery systems for vehicles
Other Products & Services
Explore our battery technologies that deliver next generation performance.

Lithium-Ion
Managing the various, high electrical loads and usage demands, while effectively meeting regulatory requirements.
Explore Lithium-Ion Batteries

Connected Services
Clarios Connected Services provides real-time battery monitoring and predictive insights to optimize vehicle performance.
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AGM
Advanced performance batteries meeting today's demands—including start-stop technology and comfort features.
Explore AGM Batteries

Flooded
After 130+ years of lead acid battery development, we have refined the design for consumer confidence.
Explore Flooded Batteries