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City Labs Launches World's First Commercial Nuclear-Powered Satellite Aboard SpaceX Transporter-17
Miami, FL - July 7, 2026 - City Labs today announced that its BOHR (Betavoltaic Orbital High-Reliability) satellite, the world's first commercial nuclear-powered satellite and first nuclear CubeSat, has been officially manifested aboard SpaceX Transporter
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City Labs Awarded $1.5M DARPA Contract for Next-Generation Nuclear Battery Technology
Miami, FL May 18, 2026 - City Labs, the leader in tritium nuclear micropower technology, today announced it has been awarded a $1.5 million contract by the Defense Advanced Research Projects Agency (DARPA) under the Rads to Watts (R2W) program. The fundin
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Micropower for Lunar Surface Sensors
Distributed sensor networks are becoming a core component of lunar surface architecture-deployed across wide areas to monitor seismic activity, radiation levels, thermal conditions, and surface interactions. The sensing technologies themselves are mature.
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City Labs Presenting at ANS NETS 2026
City Labs researchers will present three technical talks at the American Nuclear Society's Nuclear and Emerging Technologies for Space (NETS) 2026 conference, taking place on April 27 in Dayton, Ohio. ANS NETS is one of the leading forums for advancing nu
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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
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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 re
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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, continu
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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 ge
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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 routinel
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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-securi
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Financials
Total raised
$14.5M
Latest round
Grant
Funding rounds
15
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Grant | 2025 | $150k | Details |
| Grant | 2025 | $3.8M | Details |
| Grant | 2024 | $473k | Details |
| Grant | 2024 | $1.3M | Details |
| Grant | 2023 | $376k | Details |
| Grant | 2023 | $75k | Details |
| Grant | 2023 | $75k | Details |
| Grant | 2023 | $1.7M | Details |
| Grant | 2023 | $1.3M | Details |
| Grant | 2021 | $3.4M | Details |
| Grant | 2021 | $850k | Details |
| Grant | 2020 | $50k | Details |
| Grant | 2019 | $750k | Details |
| Grant | 2019 | $222k | Details |
| Grant | 2018 | $125k | Details |
