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City Labs Background

City Labs Is the Leader in Tritium Nuclear Battery Technology

Delivering tritium betavoltaic batteries for aerospace, defense, medical, and more with continuous power for 20+ years.

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The Nuclear Battery Company With a Vision

City Labs is pioneering the future of long-term, maintenance-free power solutions through its proprietary NanoTritium™ battery technology. We specialize in betavoltaic devices that harness the natural decay of tritium to generate electricity for decades—without recharging, replacement, or environmental degradation.

Our mission is to empower innovation in extreme environments—space, deep sea, medical implants, and remote industrial systems—where reliability and longevity are non-negotiable.

20+

Years of Continuous Power

-55°C to 150°C

Operating Temperature Range

City Labs Technology

Our NanoTritium™ Battery Technology

Converting beta particles from tritium decay into electricity—delivering a unique, temperature-independent power source for low-power microelectronics.

Unmatched Longevity

Continuous operation without charging or replacement for 20+ years.

Wide Temperature Range

Reliable from -55ºC to 150ºC, with no efficiency loss between -40ºC and 0ºC.

Customizable Designs

Adaptable shapes and dimensions to meet exact microelectronic needs.

Safe and Secure

No external radiation emissions—proven robust technology.

Consistent Power Output

Predictable, stable energy generation from tritium beta decay.

Regulatory Expertise

Decades of experience ensuring safety and compliance in every design.

How It Works

Our NanoTritium™ battery converts beta particles emitted by the natural decay of tritium into electricity, providing a unique and temperature-independent power solution for low-power applications.

How Betavoltaics Work

Our Products

Engineered for extreme environments and long-term reliability.

NanoTritium™ P-Series

P-Series NanoTritium™ Betavoltaic

Ideal for aerospace, defense, and industrial applications where battery replacement is impractical or impossible.

  • • 20+ years continuous power
  • • Operates in extreme temperatures
  • • Customizable form factors
  • • No external radiation
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City Labs 100 Microwatt

City Labs 100 Microwatt

A microelectronic power source delivering continuous energy for over two decades.

  • • 100 µW output
  • • Powers environmental sensors
  • • Stable in cryogenic conditions
  • • Ideal for IoT and remote monitoring
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Nanowatt Batteries

Nanowatt Batteries

Ultra-low power solutions for embedded systems and medical implants.

  • • Nano-scale power output
  • • Biocompatible packaging
  • • Longevity for life-critical devices
  • • Radiation-safe design
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Microwatt Batteries

Microwatt Batteries

Scalable power sources for industrial sensors and autonomous systems.

  • • 1–100 µW range
  • • Vibration and shock resistant
  • • Suitable for drilling and deep-sea
  • • No maintenance required
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Custom Solutions

Custom Power Solutions

Tailored betavoltaic designs to meet your exact microelectronic requirements.

  • • Collaborative engineering
  • • Regulatory compliance support
  • • Prototype to production
  • • Industry-specific configurations
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Autonomous Tritium Sensors

Autonomous Tritium Micropowered Sensors

Self-powered sensing platforms for space and defense missions.

  • • NASA NIAC Award recipient
  • • Decades-long deployment
  • • Radiation-hardened electronics
  • • Ideal for lunar and planetary exploration
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Medical Implant Batteries

Medical Implant Batteries

Powering next-generation implantable devices with unmatched longevity.

  • • 20+ year lifespan
  • • No surgical replacement
  • • Safe for human tissue
  • • Stable output under stress
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Structural Monitoring Batteries

Structural Monitoring Batteries

Enabling long-term health monitoring of bridges, pipelines, and infrastructure.

  • • Resistant to corrosion and fatigue
  • • Operates in buried or submerged environments
  • • Powers wireless sensor networks
  • • Reduces maintenance costs
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Industries We Serve

Aerospace

Powering satellites, probes, and instruments in deep space with reliable, long-term energy.

Defense & Security

Enabling persistent surveillance and remote sensing in hostile environments.

Medical Implants

Eliminating the need for replacement surgeries with decades-long battery life.

Deep Sea

Operating in extreme pressure and temperature conditions for oceanographic sensors.

Oil & Mining

Powering downhole tools and drilling sensors in high-temperature, high-vibration zones.

Industrial

Supporting IoT and predictive maintenance systems in remote or hazardous locations.

Latest News

IoT Sensor Maintenance

How City Labs Batteries Cut IoT Sensor Maintenance Costs

Reducing downtime and replacement needs in remote monitoring networks.

Key to Miami-Dade County

City Labs Receives the Key to Miami-Dade County

Recognized for innovation and economic impact in South Florida.

Lunar Exploration

Advancing Lunar Exploration: City Labs at the 2025 NIAC Symposium

Presenting autonomous sensor technology for future moon missions.

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Ready to Power Your Next Innovation?

Partner with the only commercial betavoltaic battery licensed in the United States.

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