high-tech car with power nodes

Ultracapacitors for Automotive

Ultracapacitors are integrated into low‑voltage automotive systems as a complementary solution to batteries, supporting short‑duration, high‑power applications and providing power for advanced chassis features, ADAS features, engine start modules, and emergency features.

cars on freeway with graphics of safety features around the cars

Automotive and Transportation Use Cases

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Advanced Chassis Features

  • Active roll stabilization
  • Active control and damping
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ADAS Features

  • Lane keep assist
  • Park assist
  • Brake assist
  • Adaptive cruise control
  • X-by-wire
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Engine Start

  • Cold cranking assist
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Safety & Emergency Systems

  • Electronic door actuation power redundancy
  • Emergency calling

Why Ultracapacitors for Modern Vehicles

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Very High Power Density

  • Very high power density (Watts per liter)
  • High specific power (Watts per kilogram)
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Low Internal Resistance

  • Very efficient charge and discharge (typically 95–98% round‑trip)
  • High current capability
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Long Life

  • DC Life: up to 15 years
  • Cycle Life: up to 1M cycles
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Safety

  • Can be maintained and shipped in a totally discharged state
  • No thermal “runaway”
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Rugged

  • Excellent shock and vibration resistance
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Broad Operating Temperature Range

  • Operating temperature range from -40°C to 65°C (85°C)

Explore Other Applications for Ultracapacitors

Our technologies enable smarter, more resilient performance across critical industries.

data centers

Data Centers

grid

Grid

wind

Wind