
Capacitor Banks
Ignite innovation with Woodruff’s capacitor banks: advanced, reliable high-voltage power for groundbreaking applications in energy and industry.
Capacitor banks for your pulsed power systems
Woodruff Engineering powers future-focused projects with our high quality, high-voltage capacitor banks. Ideal for fusion energy research and magnetic coil pulsing, our capacitor banks are engineered with cutting-edge spark gaps and solid-state switching.
We design and build our capacitor banks for high-energy, high power discharges. With unparalleled reliability and safety protection, our capacitor banks are trusted in high-power, high-stress environments.
OUR PRODUCTS

1 MJ Pulsed Capacitor Bank Module
22kA peak discharge
1.01MJ energy per module
150-250 μs typical pulse width
24kV max voltage rating

Magnetic Field Coil Capacitor Bank Module
26kA peak discharge
1,400V bank voltage
~436kJ energy storage
10 years / 100,000 cycle lifetime

Custom Capacitor Bank
Don’t see a product that meets your needs? We’d still love to hear from you. We have decades of prototype experience – message us to start the conversation.
Applications for High Voltage Capacitor banks
- Energy storage and discharge for fusion research
- Pulsed power supplies for magnetrons
- Surge protection and power conditioning
- Particle accelerator operations
- Pulsed laser systems
- Power factor correction in grids
- Medical imaging equipment
- Seismic exploration
- Research laboratories
- Aerospace

Supercapacitor Banks
Woodruff Engineering is at the forefront of high-scale energy storage with our state-of-the-art supercapacitor banks. These powerhouses are tailored for operations that demand quick discharge and high capacity, such as fusion energy projects. Our supercapacitor banks are designed to provide the immense pulses of power needed for magnetic coil pulsing, utilizing solid-state switches for rapid, reliable energy release. Their unprecedented charging speed, coupled with a long service life, makes them indispensable in high-stakes applications.
Applications
- Fusion energy research and magnetic coil pulsing
- Large-scale energy harvesting systems
- Power fluctuation buffer for power grids
- Pulsed power applications in industrial settings
- Emergency power systems for critical infrastructure
- Heavy transport and electric vehicle charging stations
- Load leveling for renewable energy installations
- High energy physics experiments
- Mission-critical military applications
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