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City Labs use-case specific battery applications, as seen in a leadless pacemaker

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City Labs Receives NIH Award to Develop Leadless Pacemaker Betavoltaic Power Source

Miami, FL, November 14, 2024—City Labs has been awarded a Commercialization Readiness Pilot (CRP) from the National Heart, Lung, and Blood Institute (NHLBI), part of the National Institutes of Health. This significant funding will support the advancement of City Labs’ innovative betavoltaic battery for leadless pacemakers, employing scalable fabrication techniques...

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News, Articles, and Publications

We’re keeping you up-to-date with everything happening at City Labs, from company updates to advances in technology.

February 2026 | Tips & Information

Choosing Between Nuclear and Lithium Batteries for Subsea Systems

Power selection is one of the most consequential design decisions in deep-sea systems. Unlike terrestrial or short-duration platforms, subsea assets are often deployed for months or years at a time in environments where retrieval is costly, time-consuming, or impossible. Once a system is on the seafloor, power availability directly determines…

February 2026 | Tips & Information

Trusted Nuclear Batteries for Security Contractors

National security and defense systems increasingly operate in environments where maintenance access is limited, replacement is impractical, and failure is not an option. As mission timelines extend and deployment conditions become more demanding, power reliability has become a core system-level consideration. For these applications, long-life nuclear batteries are gaining attention…

January 2026 | Tips & Information

Powering Encryption Key Retention with Long-Life Batteries

In the world of secure communications and cryptographic systems, protecting the encryption keys themselves is just as important as the cryptographic algorithms that use them. Whether in defense, aerospace, or high-security commercial applications, continuous power to volatile key memory is a foundational requirement—and it’s one of the toughest power challenges…

January 2026 | Tips & Information

Are Nuclear Batteries Safe for Medical Implants?

Medical-device developers are increasingly evaluating long-life “nuclear batteries” as an alternative to traditional lithium chemistries—especially for implants that need decades of continuous power. These devices use low-energy radioactive isotopes to generate electricity in a fully sealed package, offering exceptional reliability in applications where replacement surgery carries significant risk. Yet you…

January 2026 | Tips & Information

Lithium vs. Nuclear Batteries in High-Temp Oilfield Environments

Modern oilfield operations depend on electronics that must function reliably in some of the harshest conditions on Earth. Downhole sensors, measurement-while-drilling (MWD) tools, logging-while-drilling (LWD) systems, and monitoring equipment are routinely exposed to extreme heat, vibration, pressure, and long deployment durations. In these environments, battery selection is not a secondary…

December 2025 | Tips & Information

How City Labs Batteries Cut IoT Sensor Maintenance Costs

For many organizations deploying large IoT networks, maintenance—not hardware—is the true driver of cost. Replacing or servicing batteries consumes time, requires skilled labor, and often involves sending technicians into remote, hazardous, or high-security sites. As IoT deployments scale into the thousands, traditional power solutions can limit both reliability and ROI….

December 2025 | News

City Labs Receives the Key to Miami-Dade County

There are moments that validate years of dedication, teamwork, and belief in a shared vision. For the City Labs team, receiving the Key to Miami-Dade County was one of those unforgettable milestones. Accepting this recognition on behalf of City Labs, our founder and CEO Peter Cabauy reflected: “It was an…

October 2025 | News

Advancing Lunar Exploration: City Labs at the 2025 NIAC Symposium

City Labs was honored to present at NASA’s 2025 NIAC Symposium, where the spotlight shone on advanced ideas driving the future of space. The NASA Innovative Advanced Concepts (NIAC) program is NASA’s incubator for bold concepts that have the potential to reshape what’s possible in space exploration. City Labs attended…

October 2025 | Tips & Information

Meeting Regulatory, Reliability, and Cost Demands with Betavoltaics

When developing equipment for demanding markets—whether in aerospace, medical devices, defense, or industrial sensing—business leaders face three critical hurdles when evaluating new power solutions: cost, regulation, and reliability. Traditional batteries often fall short on these fronts, especially for compact devices that require long lifespans and consistent performance in harsh conditions….

October 2025 | Tips & Information

Can Betavoltaic Batteries Really Power Your Next Engineering Project?

An engineering project is only as good as its weakest link. Often, that link is the power source. If your battery fails under heat, vibration, or long-term deployment, your entire design suffers. Engineers are under pressure not only to meet functionality requirements but also to deliver systems that are safe,…

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